10 letters
- guillemets18
- guillemots18
- guilloches20
- hagberries17
- hailstorms16
- hairstyles15
- hamburgers21
- hammertoes18
- handsomely20
- harborside16
- hardiments17
- harlotries13
- harmlessly19
- harmonised17
- hatemonger18
- haustellum19
- haustorial14
- haustorium17
- headlights18
- headliners15
- headmaster16
- headstream16
- headstrong16
- heartworms18
- hectograms20
- heliolatry16
- heliometer16
- hellacious18
- hematology20
- hematurias16
- hemelytron19
- hemihedral19
- hemizygous29
- hemorrhage19
- heraldries14
- herbariums19
- hereabouts16
- hereditary15
- hermetical19
- hermitages17
- hermitries15
- heroically19
- herstories12
- heterogamy19
- heteronyms18
- heulandite16
- hierodules15
- histograms17
- holidayers16
- hologamies18
- holstering16
- homesteads16
- honeyguide19
- horselaugh18
- horsetails13
- hostellers14
- hostelling17
- hostelries13
- houselling18
- housemaids17
- housemates16
- housetrain14
- humdingers20
- humiliated18
- humiliates17
- hybridomas21
- hydrations16
- hydraulics20
- hydroceles19
- hydrolases16
- hydrometer18
- hydroniums20
- hydroseres15
- hygrometer19
- hyperalert18
- hyperemias20
- hypermedia21
- hypodermal22
- hypodermis21
- hypsometer20
- hysterical18
- idealogies14
- idealogues15
- ideographs18
- ideography20
- ideologues15
- idolatries12
- idolatrous13
- illustrate13
- immaturely20
- immoderate17
- immodestly20
- immortally20
- immortelle18
- imperators16
- ingathered16
- integrally17
- intergrade14
- interlards13
- interlayer14
- interludes14
- intermodal16
- intermural16
- inthralled16
- ironmaster14
- irredentas12
- irregulars14
- irresolute12
- isogametes15
- isografted16
- isothermal16
- kieselguhr20
- kilometers18
- lachrymose21
- lamentedly19
- lamplights22
- languished18
- languisher17
- largemouth19
- larghettos15
- latecomers17
- lathyrisms18
- launderers14
- leadership17
- leaseholds15
- leathering16
- legalities14
- legalizers23
- legateship18
- legislated15
- legislates14
- legislator14
- lethargies15
- leukorrhea18
- liberators14
- lifeguards18
- lighteners16
- lighterage17
- lighthouse18
- limelights19
- limewaters17
- linoleates13
- literalism15
- literarily14
- literately14
- literators11
- literature12
- loadmaster15
- lodgements18
- logarithms18
- loggerhead18
- logorrheas15
- longhaired17
- longitudes16
- lowliheads18
- lumberyard21
- lusterware15
- lysimeters16
- madrepores17
- madrilenes16
- magnetised17
- magnitudes18
- malingered18
- malingerer17
- marbleised18
- margarites15
- marguerite16
- marshalled18
- martyrdoms19
- martyrized25
- martyrizes24
- marvellous20
- materially17
- maumetries17
- maunderers16
- measuredly18
- medaillons17
- medallions17
- medallists16
- medievally22
- meditators14
- medullated18
- megadeaths18
- meliorated15
- meliorates14
- meliorator14
- melodizers24
- memorially20
- mercurated18
- mercurates17
- mercurials18
- mesodermal18
- mesothelia16
- metallized25
- metallizes24
- metalloids16
- metallurgy20
- meteoroids14
- methadones17
- metheglins19