10 letters
- henceforth21
- henotheism18
- henotheist15
- heresiarch17
- heretrices15
- heritrices15
- hermetical19
- hermetists15
- hermitages17
- hermitries15
- herstories12
- hesitances16
- hesitaters12
- hesitation13
- heteroatom15
- heterocyst17
- heteronomy18
- heteronyms18
- hexarchies24
- hibernates16
- hibernator16
- hierophant18
- hithermost17
- hoactzines25
- homeopaths20
- homeotherm20
- homeowners19
- homoerotic18
- homogenate18
- homogenies18
- homogenise18
- homopteran19
- honoraries13
- honorarium17
- horsehairs14
- horsemints16
- horseraces15
- horseshoer14
- horsewoman19
- horsewomen19
- housetrain14
- humectants20
- hurricanes17
- hysteretic17
- iceboaters16
- imperators16
- impetrates16
- importance20
- impotences20
- imprecates19
- inbreathes16
- incoherent17
- increasers14
- increments18
- inheritors13
- insheathed16
- instructor15
- integrates13
- integrator13
- interacted15
- intercaste14
- intercepts17
- intercrops17
- intercross14
- interfaces17
- interjects23
- interlaces15
- interments15
- interocean15
- interphase16
- interposer14
- interprets14
- intersects14
- interspace17
- interstage13
- interstate11
- interstice14
- intertroop14
- intimaters14
- intrenches17
- introjects23
- introspect17
- introverts15
- ionosphere16
- ironmaster14
- irredentas12
- isochronal17
- isochrones16
- isooctanes14
- isothermal16
- iterations11
- itinerates11
- kinetosome18
- latecomers17
- lemniscate18
- linecaster15
- literators11
- macaronies17
- macedoines18
- maceration17
- macerators16
- machinates19
- machinator19
- mackintosh23
- macromeres19
- magnetites16
- mainsheets16
- maisonette14
- majorettes22
- manifester17
- manometers17
- manometric20
- manticores17
- maraschino19
- marathoner16
- marionette14
- martensite14
- masseteric16
- masticator16
- mastodonic18
- matriarchs18
- mechanists19
- mechanizer28
- mechanizes28
- meditators14
- meliorates14
- meliorator14
- menstruate15
- mentations15
- mentioners15
- mentorship19
- mercantile18
- merchanted20
- mercurates17
- meritocrat16
- merozoites22
- merriments17
- mesenteric17
- mesothelia16
- mesothorax22
- metacenter17
- metaethics18
- metaphoric21
- metathesis15
- metathetic18
- meteorites13
- meteoritic16
- meteoroids14
- meterstick20
- methadones17
- metronomes17
- metronomic20
- micromeres19
- micrometer19
- microphone22
- micropores19
- microspore19
- microstate16
- microtomes19
- microtonal18
- microtones17
- microwatts19
- micturates17
- midrashoth18
- mincemeats20
- minestrone15
- miscreants17
- miscreated17
- miscreates16
- mishanters16
- misteaches18
- mistreated14
- miterworts16
- mitreworts16
- moderation15
- moderators14
- moisteners14
- monarchies19
- monarchism22
- monarchist19
- monetarism17
- monetarist14
- monitories14
- monochasia19
- monocratic20
- monoesters14
- monometers17
- monorchids20
- monostelic18
- monotheism19
- monotheist16
- monotremes17
- monstrance18
- moonshiner17
- mordancies18
- morganites16
- moronities14
- morphactin22
- morticians17
- mortuaries14