11 letters
- inductances21
- inoculators17
- inopportune20
- insouciance20
- inspiratory17
- intercampus22
- intercounty19
- intercourse16
- interlunary17
- interurbans17
- intravenous18
- introducers17
- macroscopic26
- mensuration17
- mercuration19
- meritocracy22
- monocracies21
- mucoprotein22
- narcoleptic22
- necromantic22
- necropsying23
- neocortical19
- neocortices18
- neuropathic21
- neuropteran17
- neurosporas16
- neurotoxins21
- neurotropic19
- nitrofurans17
- nitrogenous16
- nonascetics19
- nonauditory17
- noncarriers16
- noncircular21
- noncomputer23
- noncustomer20
- nondescript20
- nonliterary16
- nonoperatic19
- nonreactors16
- nonreceipts19
- nonrecourse17
- nonroutines15
- nonsecretor16
- nontropical20
- nucleations18
- numerations17
- nunciatures18
- nurturances18
- nutcrackers23
- obscurantic22
- obscuration19
- occupancies25
- occupations22
- occurrences22
- oceanfronts19
- oneiromancy21
- outcapering21
- outscorning19
- overactions19
- overcaution20
- pancreatins19
- parturients16
- patronymics23
- peculations20
- percolation19
- percolators18
- perforation18
- perfunctory24
- perorations15
- persecution19
- persecutory20
- personality18
- personating18
- personation16
- personators15
- pianofortes18
- pinocytoses20
- pneumococci28
- pococurante22
- polycentric24
- postconcert21
- posteriorly17
- praetorians15
- pratincoles19
- precautions19
- preconcerts21
- predicatory20
- predynastic21
- premonitory20
- preportions18
- preromantic21
- presynaptic23
- probationer18
- procaryotes19
- procercoids21
- proconsular20
- procreating20
- procreation18
- procreators17
- procrustean19
- procuration19
- procurators18
- productions20
- progenitors17
- projections27
- prokaryotes20
- prokaryotic23
- pronouncers20
- propionates18
- prosecuting21
- prosecution19
- prosecutors18
- prostration15
- protections18
- proteinuria16
- prothoraces19
- prothoracic22
- protraction18
- protrusions16
- provocateur22
- pteranodons17
- punctations20
- purgatories17
- purtenances20
- pyroclastic23
- pyromancies23
- pyrotechnic25
- quaternions23
- quercitrons25
- questionary24
- rancorously19
- reactionary17
- reapportion18
- recapturing21
- reciprocals21
- reciprocate20
- reciprocity22
- reconnoiter16
- reconnoitre16
- reconstruct19
- recordation16
- recreations15
- refractions18
- reinsurance17
- relocations16
- rencounters17
- renovations17
- renunciates17
- reoccupying26
- reoperation15
- reparations15
- replicators18
- reprobation18
- repudiators16
- reputations16
- resorptions15
- respiration15
- respiratory16
- resprouting18
- restoration12
- retinoscopy20
- retractions15
- retroaction15
- revocations19
- scoriaceous18
- specularity21
- speculation20
- spontaneity18
- spontaneous17
- sporulation17
- subcontrary21
- subornation17
- superiority17
- supernation17
- supertonics19
- sycophantic25
- synchrotron20
- syncopating23
- syncopation21
- syncopative24
- syncopators20
- technocracy25
- tenaciously19
- terricolous16
- tetrasporic17
- topocentric21
- transection16
- transpierce18
- transponder17
- transuranic17
- triceratops17
- truncations17
- trypanosome20
- trypsinogen20
- tyrannizers24
- tyrannosaur16
- ulcerations17
- uncaptioned21
- uncertainly20