10 letters
- isothermal16
- karyologic22
- kymographs26
- laccoliths20
- lachrymose21
- lacrimator17
- lagomorphs21
- laminators15
- lamplights22
- laparotomy19
- lathyrisms18
- lightproof21
- lightships20
- lipomatous18
- lipotropic20
- lithograph20
- locksmiths23
- locomoting20
- locomotory19
- logarithms18
- logographs20
- logogriphs20
- logotypies18
- lophophore21
- lymphatics24
- lymphogram26
- lymphomata24
- macaronics20
- machinator19
- macrocosms22
- macrocytes21
- macrocytic24
- macrophage23
- macrophyte23
- macroscale20
- magistracy20
- maharishis17
- mahlsticks23
- malachites19
- malacology22
- malapropos20
- malathions17
- malolactic21
- maraschino19
- marcasites16
- marshaling19
- marsupials18
- masochists18
- massacring19
- mastership18
- masticator16
- matchlocks26
- matriarchs18
- matriarchy20
- megascopic24
- megasporic21
- mesophytic23
- metaphoric21
- metaphysic23
- metropolis17
- microchips24
- microcosms22
- microcytes21
- micrograph23
- microliths19
- microphage23
- microphyll25
- micropylar22
- micropyles22
- microscale20
- microscope22
- microscopy24
- microsomal20
- microtonal18
- microvolts21
- midrashoth18
- miscatalog19
- mischarges20
- mislocates17
- mispatches21
- missiology18
- mobocratic22
- monarchial20
- monarchist19
- monocarpic23
- monochasia19
- monocratic20
- monographs21
- monologist17
- monopolist18
- moonlights19
- moralistic17
- morganatic19
- morphactin22
- morphology23
- mosaically20
- mothproofs21
- motorcycle22
- moustachio19
- musicology22
- mustachios19
- mycofloras22
- mycologies21
- mycologist21
- mycophiles24
- mycoplasma25
- myocardial20
- myopathies20
- mythologer20
- mythologic23
- mythopoeia20
- mythopoeic23
- nomographs21
- nomography23
- nosocomial18
- nostalgias14
- nostalgics17
- nyctalopia20
- obligatory18
- occasional18
- occipitals20
- occultisms21
- ochlocracy24
- ochlocrats19
- octarchies18
- octoploids18
- octothorps18
- ocularists15
- oleographs18
- oligarchic21
- oligophagy22
- oligopsony19
- omophagies20
- omphaloses19
- oncologist17
- onomastics17
- ophthalmia21
- ophthalmic24
- oppositely19
- oratorical14
- organismal17
- orismology18
- orographic20
- orphically22
- orthoclase16
- orthogonal16
- oscillator15
- osculatory17
- osmolality17
- osmolarity16
- ostracisms16
- otoscopies16
- ovariotomy19
- palimpsest20
- palliators15
- palmations18
- palpations18
- pantograph21
- papillomas21
- papyrology23
- parachutic22
- paralogism19
- paralysing19
- paralytics19
- paranymphs24
- paraphyses20
- paraphysis20
- paraplegic22
- parashioth17
- parasitism16
- parathions16
- paratroops16
- paroxysmal26
- partisanly17
- pasticcios19
- pastorales14
- pastorally17
- pastorship18
- patchoulis20
- pathologic21
- patriarchs18
- patriarchy20
- patronymic22
- paymasters18
- perilymphs24
- periplasts17
- petroglyph23
- petrologic19
- phagocytes22
- phagocytic25
- phalaropes19
- phantasmic22
- pharisaism18
- pharmacies21
- pharmacist21
- phatically22
- philosophe21
- philosophy23
- phlegmatic24
- phlogistic21