There are 5,470 words ending in -al in our dictionary; the longest 500 are listed below, grouped by length. Endings like -al are common hooks for extending words already on the board. Each word shows its Scrabble tile value.
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15-letter words (206) accommodational24 acculturational19 amphitheatrical27 anthropological23 anticlimactical23 antieducational18 antimonarchical24 antisentimental17 antitheoretical20 antitraditional16 bacteriological22 bibliographical27 biogeographical26 biomathematical26 bronchoscopical28 cardiographical26 chalcographical30 chartographical28 chrestomathical27 circumferential24 commemorational23 communicational23 configurational21 confrontational20 constellational17 corynebacterial24 countercultural19 countercyclical26 counterproposal21 cryptanalytical27 cryptographical30 demonstrational18 dialectological21 disproportional20 documentational20 dysteleological22 ebullioscopical23 ecclesiological22 electrochemical26 electrometrical21 electrosurgical20 enterobacterial19 entrepreneurial17 epidemiological23 epistemological22 ethnohistorical23 eudaemonistical20 galvanometrical23 glossographical24 glyphographical32 glyptographical29 gnotobiological21 hallucinational20 hepaticological25 heterographical26 hydrobiological27 hydrogeological26 hydromechanical31 hyperfunctional28 hypermetropical29 hypochondriacal31 idiosyncratical23 immunogenetical22 improvisational22 improvisatorial22 inconsequential26 infrastructural20 interambulacral21 interbehavioral23 interdivisional19 interindividual20 interparoxysmal29 interperceptual21 interphalangeal21 interprovincial22 interrogational16 intraperitoneal17 intrapreneurial17 introspectional19 investigational19 isoperimetrical21 jurisprudential25 juxtapositional31 lexicographical32 macrostructural21 magnetochemical27 manifestational20 materialistical19 mechanochemical31 metatheoretical22 microanalytical24 microanatomical23 microbiological24 microstructural21 miscegenational20 monosymmetrical26 multidivisional21 multifunctional22 multilocational19 multimillennial19 musculoskeletal23 neuroanatomical19 neurobiological20 neuroectodermal20 nonagricultural18 nonastronomical19 nonbiographical25 nonconfidential21 nonconventional20 nondepartmental20 nonexperimental26 nongovernmental21 nonhierarchical25 noninflectional20 noninsecticidal20 noninstrumental17 nonintellectual17 nonmathematical24 nonmetaphorical24 nonoccupational21 nonprofessional20 nonprofessorial20 oceanographical25 omnidirectional20 orchestrational20 organographical24 organomercurial20 palaeobotanical21 palaeographical25 paleobiological22 paleoecological22 paleontological20 paleozoological29 pantisocratical21 parasitological20 participational21 phantasmagorial23 pharmacological27 pharyngological27 philanthropical27 photobiological25 photoelectrical24 photogeological24 photomechanical29 physicochemical34 physiographical31 pneumatological22 polysynthetical28 postconsonantal19 preagricultural20 prepresidential20 preprofessional22 pronunciational19 protozoological29 psychogenetical28 psychographical33 psychrometrical29 radiobiological21 radiolocational18 recombinational21 retrogressional16 retroperitoneal17 rheumatological23 rontgenological19 seismographical25 selenographical23 semicylindrical25 semiterrestrial17 servomechanical27 sinistrodextral23 sociobiological22 sociohistorical22 spectroscopical25 stereographical23 stoechiological23 stoichiological23 stratigraphical23 stratospherical22 subprofessional22 superadditional19 superindividual22 superstructural19 symptomological27 synchronistical25 tarsometatarsal17 tetrasyllabical22 theosophistical25 thermodynamical28 transcriptional19 transgressional16 transhistorical20 transmutational17 transpirational17 transpositional17 transubstantial17 traumatological20 trichomonacidal25 trigonometrical20 ultracommercial23 ultrastructural17 unchronological23 uncontroversial20 unphilosophical27 viscosimetrical24 zoogeographical33 zoophytological35
14-letter words (294) actinometrical20 adrenocortical19 aerobiological19 aeromechanical23 agrobiological20 agroindustrial16 agrostological18 alphanumerical23 amphibological26 anagrammatical21 anticommercial22 antihistorical19 antihomosexual26 antipathetical21 antiphrastical21 antiretroviral17 antiscriptural18 apothegmatical24 arachnological22 arboricultural18 archaeological22 archiepiscopal25 aristocratical18 axisymmetrical30 bathygraphical30 belletristical18 bibliomaniacal22 biogeochemical26 biostatistical18 brachydiagonal26 branchiostegal22 calligraphical24 calorimetrical20 campanological23 carcinological21 cartographical24 catachrestical23 catadioptrical21 catechumenical25 centrolecithal21 chirographical27 chorographical27 chronometrical23 circumlittoral20 circumstantial20 civilisational19 civilizational28 climatological21 colorimetrical20 commentatorial20 commonsensical22 compensational20 compurgatorial21 condensational17 confirmational21 conformational21 congregational18 conscriptional20 conservational19 conservatorial19 consociational18 conspirational18 conspiratorial18 constitutional16 constructional18 consubstantial18 contracyclical25 conversational19 cosmographical26 cosmopolitical22 counterfactual21 craniocerebral20 craniometrical20 criminological21 cryobiological24 denominational17 dermatological20 diagrammatical22 disceptatorial19 discographical25 dispensational17 disquisitional24 dissertational15 dissymmetrical24 distributional17 dynamometrical24 dysmenorrhoeal23 ecclesiastical20 electrothermal21 empyreumatical25 encyclopedical26 enteropneustal16 enthusiastical19 enthymematical26 epicontinental18 epigrammatical23 eschatological22 ethnobotanical21 ethnographical25 eudemonistical19 eugeosynclinal20 excrementitial25 extracanonical25 extracorporeal25 extrapyramidal29 gastroduodenal17 geostrategical18 gerontological18 gynaecological23 haematological22 haematothermal24 hagiographical26 heliographical25 hemispheroidal25 hephthemimeral29 herpetological22 heterolecithal22 hieroglyphical28 hierographical25 hydrocolloidal24 hydrodynamical29 hydrographical29 hydrokinetical27 hyetographical28 hygrographical29 hyperemotional24 hypertrophical29 hypocoristical26 hypsographical30 ichnographical27 ichthyological28 iconographical24 illuminational16 illustrational14 immunochemical27 infopreneurial19 insurrectional16 intelligential15 intercessional16 intercessorial16 interdialectal17 interferential17 interjectional23 intermenstrual16 interparochial21 intersectional16 intersegmental17 interventional17 intervertebral19 intramercurial18 isodiametrical19 jurisdictional24 lamellirostral16 laryngological21 lichenological22 lithographical25 martyrological22 megalomaniacal21 metaphrastical23 meteorological19 methodological23 metoposcopical24 metropolitical20 microseismical22 microspherical25 misanthropical23 misogynistical22 monotheistical21 monotheletical21 multidialectal19 multifactorial21 multipotential18 myrmecological26 narratological17 nasopharyngeal23 nomenclatorial18 nonchromosomal23 noncontractual18 nondimensional17 nondirectional17 noneducational17 nonexistential21 nongeometrical19 nongrammatical21 nonideological18 nonjudgemental25 nonoperational16 nonresidential15 nonsensational14 nonstatistical16 nonsymmetrical23 nontheological20 nontheoretical19 nontraditional15 nymphomaniacal28 oneirocritical18 opisthoglossal20 organisational15 organizational24 ornithological20 orthographical25 overanalytical22 paleobotanical20 paleographical24 palingenetical19 pantographical24 paradigmatical22 paraphrastical23 paronomastical20 perimenopausal20 periphrastical23 perturbational18 petrographical24 pharmaceutical25 pharmacopoeial25 photographical27 phraseological22 phyllotactical26 physiognomical27 phytogenetical25 planetological19 plenipotential18 pluviometrical23 poikilothermal25 polysyllabical26 polytheistical24 posterolateral16 postindustrial17 postmenopausal20 postmillennial18 postpositional18 preconsonantal18 preoperational18 presentational16 presentimental18 primatological21 progestational17 propaedeutical21 prothonotarial19 psychochemical33 psychometrical28 psychophysical34 psychosurgical27 pteridological20 quincentennial25 quinquagesimal35 quintessential23 rareficational19 recrementitial18 recurvirostral19 reflexological27 registrational15 reminiscential18 resurrectional16 sacrococcygeal26 scenographical24 seismometrical20 semasiological19 semicentennial18 semicommercial24 semielliptical20 serratirostral14 sociopolitical20 soteriological17 sovietological20 spatiotemporal20 spectrological21 spelaeological19 spermatogonial19 spermatophoral23 sphaerocrystal24 squirearchical30 staphylococcal28 stenographical22 stereochemical23 stereometrical18 stereoscopical20 stereotactical18 stichometrical23 stomatological19 stroboscopical22 stylographical25 subarachnoidal22 subcontinental18 substitutional16 subterrestrial16 supercelestial18 superessential16 suprasegmental19 tacheometrical23 tachygraphical30 televangelical20 terminological19 thanatological20
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