14 letters
- glycosidically30
- glycosylations26
- gyroscopically31
- hydrocolloidal26
- hydrocortisone23
- hygroscopicity31
- hyperconscious29
- hypercorrectly30
- hyperviscosity30
- hypocoristical28
- iconographical29
- incombustibles29
- incommensurate26
- incommodiously29
- incommunicable33
- incommunicably35
- incompetencies28
- incompleteness26
- incompressible28
- inconcinnities24
- inconclusively31
- inconformities25
- inconsequences33
- inconsequently33
- inconsiderable24
- inconsiderably26
- inconsistences23
- inconsistently23
- incontinencies24
- incontrollable25
- inconvenienced29
- inconveniences28
- inconveniently28
- incoordination21
- incorporations22
- incorporeities21
- incorruptibles26
- indecomposable29
- indecorousness21
- indiscoverable27
- intercommunion27
- intercommunity28
- intercomparing27
- interconnected24
- interconverted24
- intercorporate21
- intercorrelate19
- irreconcilable26
- irreconcilably28
- laparoscopists24
- laryngoscopies26
- lexicographers32
- lexicographies32
- lymphosarcomas31
- machicolations27
- macroeconomics30
- malacostracans25
- malcontentedly27
- megascopically32
- microcomputers30
- microeconomics30
- miscomputation28
- misconceptions28
- misconnections26
- miscorrelation22
- monocotyledons26
- multicomponent30
- multiconductor28
- myrmecological32
- myrmecologists28
- myrmecophilous32
- neocolonialism24
- neocolonialist21
- nonaccountable28
- noncoincidence28
- noncombustible30
- noncommercials29
- noncommitments29
- noncommittally29
- noncommunities27
- noncommutative30
- noncompetition26
- noncompetitive29
- noncompetitors25
- noncompliances30
- noncomplicated30
- nonconclusions26
- nonconcurrence28
- noncondensable26
- nonconditioned23
- nonconductions26
- nonconferences27
- nonconfidences28
- nonconflicting30
- nonconformance30
- nonconformisms29
- nonconformists26
- nonconnections25
- nonconsecutive28
- nonconsumption28
- nonconsumptive31
- noncontractual25
- noncontrolling25
- nonconvertible28
- noncooperation23
- noncooperative26
- noncooperators22
- noncorrelation21
- nonhygroscopic31
- nonintercourse21
- nonrecognition23
- nonrecombinant27
- omnicompetence31
- oncogenicities24
- oncornaviruses24
- ophthalmoscope31
- ophthalmoscopy33
- osteosarcomata20
- overcommitment31
- overcommitting30
- overcompensate28
- overcompliance32
- overcomplicate31
- overcompressed28
- overcompresses27
- overconcerning29
- overconfidence30
- overconstructs26
- overcontrolled25
- overcorrecting27
- overcorrection25
- overdecorating25
- overdecoration23
- overdiscounted25
- overencouraged26
- overencourages25
- paleoecologies24
- paleoecologist24
- pharmacologies28
- pharmacologist28
- pharmacopoeial29
- pharmacopoeias28
- photocomposers28
- photocomposing31
- phycoerythrins29
- picornaviruses26
- pneumoconioses26
- pneumoconiosis26
- pococurantisms28
- postcollegiate24
- postconception28
- postconvention27
- postcopulatory27
- precociousness25
- precombustions28
- preconceptions28
- preconditioned24
- preconsciouses25
- preconsciously28
- preconsonantal24
- preconstructed26
- preconventions27
- preconvictions29
- prediscoveries25
- proconsulships28
- pseudoscorpion26
- psychoacoustic31
- radioecologies21
- recodification25
- recolonization29
- recombinations25
- recommencement31
- recommendation26
- recommendatory27
- recommissioned25
- recompilations25
- recompositions24
- recomputations25
- reconcentrated23
- reconcentrates22
- reconcilements26
- reconciliation23
- reconciliatory24
- reconditioning23
- reconfigurable28
- reconfirmation25
- reconnaissance23
- reconnoitering22
- reconsecrating24
- reconsecration22
- reconsolidated21
- reconsolidates20
- reconstituting22
- reconstitution20
- reconstructing25
- reconstruction23
- reconstructive26
- reconstructors22
- recontaminated23
- recontaminates22