10 letters
- heptameter18
- heteroatom15
- heterodyne16
- hexahedron23
- hexameters22
- hexapodies23
- hibernated17
- hierophant18
- homeported19
- homopteran19
- honeyeater15
- hypermania21
- hypermedia21
- hypertonia18
- idempotent18
- immoderate17
- impairment20
- impalement21
- impartment20
- impediment21
- impetrated17
- impetrates16
- importance20
- importuned19
- imprecated20
- impregnate19
- inbreathed17
- ingathered16
- integrated14
- intenerate12
- interacted15
- interested12
- interloped16
- intermixed22
- intermodal16
- interphase16
- interplead16
- interposed15
- intraplate15
- inveterate15
- itinerated12
- letterhead14
- maceration17
- machinated20
- machinator19
- maidenhair17
- maidenhead18
- mainstream17
- maisonette14
- maltreated15
- manometers17
- manometric20
- manumitted19
- marathoner16
- marginated17
- marionette14
- martensite14
- mastermind18
- mathematic21
- maturation15
- medicament21
- meditation15
- meditators14
- megaphoned22
- meliorated15
- mentorship19
- meperidine18
- merchanted20
- metacenter17
- metaphoric21
- metaphrase18
- metathorax22
- meteorites13
- methadones17
- methedrine17
- mimeograph23
- misentered15
- misnomered18
- mistreated14
- mithridate16
- moderating17
- moderation15
- monetarism17
- monetarist14
- morphactin22
- motherland18
- mutineered16
- mythomania21
- natatorium15
- naturopath17
- negotiated14
- nematocide18
- nethermost16
- ordainment16
- orientated12
- orientates11
- ornamented16
- outpainted16
- outpreened16
- overexpand26
- overextend23
- overheaped20
- overheated17
- palindrome19
- pantomimed21
- pantomimes20
- parathions16
- parenthood17
- parliament18
- pathfinder20
- patronised15
- patronized24
- pedantries15
- pedestrian15
- pedimental19
- pedimented19
- pedometers17
- penetralia15
- penetrated15
- penetrates14
- pentahedra17
- pentameter17
- pentoxides22
- perennated16
- peridotite14
- peritoneal15
- peritoneum18
- permeating19
- permeation17
- permeative20
- permethrin19
- permittees16
- peroxidase21
- personated15
- petitioned15
- petitioner14
- phanerogam21
- phantasied17
- phenolated18
- phenoxides24
- phonematic22
- photometer18
- piezometer25
- pinfeather19
- pirouetted15
- planimeter18
- portamenti17
- portamento17
- potentiate14
- praenomina18
- praetorian14
- preachment22
- predations15
- predestine15
- preeminent18
- preemption20
- preenacted18
- preexisted21
- preheating18
- prehominid20
- premoisten17
- pretexting23
- pretheater15
- pretrained15
- pretreated14
- pretrimmed20
- printheads17
- promenaded19
- promenader18
- promenades18
- promethium22
- protamines17
- proteinase14
- protonated15
- pyroxenite23
- radiometer14
- radiophone17
- readapting17
- readmitted15
- readopting17
- reanimated15
- reanimates14
- reanointed13
- rearmament17
- reattached16
- reattained12
- redemption18
- redemptive21
- reestimate13
- reexamined22
- reexamines21
- reexported21
- regimented17
- rehammered19
- reimported17
- reinstated12
- reiterated11
- relaxation19
- remediated15
- remediates14