10 letters
- lighteners16
- lighterage17
- lightplane20
- lightproof21
- linecaster15
- linoleates13
- lithograph20
- lithologic19
- lithophane19
- lithopones17
- locational16
- logorrheic18
- loincloths18
- longhaired17
- loopholing20
- marcelling21
- megaphonic24
- mellophone21
- mercantile18
- metaphoric21
- microphage23
- microphone22
- microtonal18
- monocarpic23
- monocratic20
- morphactin22
- nalorphine18
- necropoles18
- necropolis18
- negotiable17
- negotiator13
- negrophobe21
- neoliberal16
- neophiliac20
- neoplastic18
- neorealist12
- neotropics17
- nephrology21
- nephrotics19
- neuroglial16
- neurologic18
- neutrophil18
- nightscope21
- noncaloric19
- noncollege19
- nonethical18
- nonliteral14
- nonlogical19
- nonreceipt18
- noticeable18
- occidental19
- occupation21
- ochlocrats19
- octahedron17
- octarchies18
- octonaries14
- oenophiles17
- oleographs18
- oligarchic21
- oligoclase17
- opalescent18
- opalescing20
- operagoing18
- operations14
- operculate18
- optionally18
- organelles15
- orientally15
- orogenetic16
- orographic20
- orphically22
- orthoclase16
- orthoepies15
- orthogonal16
- orthopedic19
- oscillator15
- osteogenic16
- outechoing19
- outgeneral15
- outhearing16
- outleaping18
- outpolling19
- outrolling16
- overacting20
- overaction18
- overeating17
- overhating19
- overhoping22
- overlength20
- paedogenic20
- palletizer24
- pancreatic20
- pangenetic20
- parcelling21
- parenthood17
- pathogenic21
- pathologic21
- patrolling18
- peacockier23
- peacocking26
- peashooter15
- peccadillo22
- peculating21
- peculation19
- pellagrins18
- penetralia15
- penologies17
- penologist17
- percalines18
- percentage19
- percentile18
- perception20
- percolated18
- percolates17
- percolator17
- perfecting22
- perfection20
- perfoliate17
- perihelial17
- perihelion17
- periosteal14
- perithecia18
- peritoneal15
- permeating19
- permeation17
- permillage20
- perorating16
- peroration14
- petrologic19
- phagocytic25
- phellogens20
- phenacetin20
- phenacites19
- phenolated18
- phenolates17
- pheromonal20
- philatelic20
- philtering19
- phlegmatic24
- phlogiston19
- phlogopite21
- phonematic22
- phonically23
- phonolites17
- phonologic22
- photically22
- photocells20
- photogenic21
- phrenology21
- pianoforte17
- picarooned18
- pictograph23
- pigeonhole19
- pinfeather19
- planchette20
- planetlike20
- planimeter18
- plastering17
- plasticene18
- platooning18
- pleochroic22
- pleonastic18
- poetically20
- pointelles16
- pollarding19
- pollenizer25
- pollinated17
- pollinates16
- pollinator16
- polychaete21
- porcelains18
- portabello18
- potentilla16
- practicing22
- pratincole18
- preachiest18
- preachment22
- precalculi22
- precancels21
- precasting19
- precaution18
- precenting20
- prechilled21
- precollege20
- preconcert20
- precontact20
- precooking23
- precooling20
- preethical19
- pregenital17
- prehearing18
- preheating18
- prelecting20
- prelection18
- prelogical20
- preplacing23
- preselling18
- prevocalic24
- princelets18
- proceeding20