10 letters
- mattresses13
- mayoresses15
- meagerness16
- meannesses15
- meetnesses14
- megaphones21
- megaspores18
- menopauses18
- mentorship19
- mesenteron15
- mesomorphs21
- mesopauses17
- mesophytes20
- mesosphere18
- mesothorax22
- messengers16
- mestranols15
- metaphases18
- metaphrase18
- metatheses15
- methadones17
- metronomes17
- mishanters16
- misphrases18
- mistresses13
- moisteners14
- molasseses14
- monestrous15
- monoesters14
- monographs21
- monometers17
- monosteles15
- monotremes17
- moonscapes20
- moonstones15
- moroseness14
- morphogens21
- motherhood18
- motherless16
- mothproofs21
- mousetraps17
- mutenesses15
- nanometers15
- naphthenes19
- nearnesses12
- neatnesses12
- nemerteans15
- nephoscope22
- nethermost16
- newspapers20
- nomographs21
- nonprosses15
- noospheres16
- northeasts13
- notepapers17
- oasthouses13
- omphaloses19
- opennesses15
- operations14
- opposeless17
- oppression17
- oppressors16
- oratresses10
- ornateness12
- ornithoses13
- orogeneses13
- orphanhood19
- orthoepies15
- osmometers16
- ostensoria11
- osteopaths15
- osteosises10
- otioseness11
- outpresses14
- overemotes17
- overpasses17
- overshoots16
- palenesses15
- pansophies19
- pantheisms19
- paperiness17
- papeteries16
- parchments22
- parenthood17
- parentless15
- passengers16
- passerines14
- pastnesses14
- pastorship18
- patronises14
- peashooter15
- pedometers17
- penetrates14
- penstemons18
- pentameter17
- penthouses17
- peperomias19
- perennates15
- peristomes16
- permanents18
- permeation17
- personages16
- personated15
- personates14
- personator14
- personhood17
- pertnesses14
- pesthouses16
- phenolates17
- phenomenas20
- phenotypes21
- pheromonal20
- pheromones19
- phonograms21
- phonograph23
- phosphates20
- phosphenes21
- phosphines21
- phosphites20
- phosphores20
- phosphorus21
- photograms20
- photograph22
- photomasks22
- photometer18
- photophase20
- photophore20
- pipestones17
- pistareens14
- poetasters13
- ponderosas15
- poorhouses16
- poornesses14
- porousness15
- portamento17
- portresses13
- poshnesses16
- possession14
- possessors13
- possessory15
- posthastes15
- postmaster16
- postmodern18
- postponers17
- postprison17
- postseason14
- potometers16
- praenomens18
- preachment22
- preemption20
- preemptors19
- preheaters15
- premoisten17
- prepayment22
- prepossess16
- preseasons14
- presentees14
- presenters14
- presentism17
- pressrooms16
- prestamped20
- primnesses17
- promenades18
- promotions17
- promptness20
- pronatores14
- pronephros19
- properness17
- prophesies18
- prophetess18
- propionate17
- proponents18
- prostheses15
- prosthesis15
- protamines17
- proteinase14
- protohuman20
- protonates14
- protonemal18
- protoplasm20
- protostome16
- protozoans23
- protozoons23
- purenesses15
- raptnesses14
- rarenesses11
- rashnesses13
- realnesses12
- reappoints17
- reasonless12
- reassessed11
- reassesses10
- recompense20
- recomposes19
- reemphases18
- reemphasis18
- remissness14
- remoistens14
- remoteness14
- reoperates13