16 letters
- manipulabilities29
- meditativenesses25
- microcircuitries29
- militaristically27
- monochromaticity33
- montmorillonites26
- montmorillonitic29
- multicellularity30
- necessitarianism24
- nephrotoxicities32
- neurotransmitter22
- nonarbitrariness22
- nonarchitectures27
- nonauthoritarian22
- noncommutativity34
- noncomparability33
- nondeductibility30
- nonexploitations30
- nongravitational26
- noninstitutional22
- nonmetropolitans26
- nonobjectivities37
- nutritiousnesses20
- ornithologically29
- osteoarthritides19
- overcapitalizing39
- overexploitation32
- overgenerosities23
- paradoxicalities31
- perceptibilities29
- perfectibilities29
- performabilities29
- permissibilities26
- perpendicularity31
- philoprogenitive32
- photocomposition31
- photoexcitations32
- photolithographs31
- photolithography33
- photosensitivity28
- photosensitizers31
- photosensitizing34
- piezoelectricity37
- pithecanthropine31
- platitudinarians24
- pleasurabilities25
- polarizabilities33
- politicalization34
- polydispersities26
- positivistically30
- postdepositional25
- postencephalitic32
- postpositionally27
- practicabilities29
- predictabilities27
- presentabilities24
- preservabilities27
- prestidigitation23
- prestidigitators22
- presuppositional28
- preventabilities28
- processabilities26
- processibilities26
- profitablenesses27
- pronounceability31
- propitiousnesses24
- pyelonephritides29
- quantitativeness32
- quasiperiodicity35
- radiosensitivity24
- reaccreditations24
- recapitalization33
- recoverabilities27
- rectangularities24
- rectifiabilities26
- referentialities21
- refrangibilities26
- remilitarization30
- repetitivenesses24
- reprehensibility28
- representativity26
- repressibilities23
- respectabilities26
- respiritualizing33
- responsibilities24
- retrievabilities24
- salvageabilities27
- semipermeability31
- semiquantitative34
- sentimentalities22
- seronegativities23
- seropositivities23
- serviceabilities27
- solicitousnesses22
- spiritlessnesses21
- spiritualization31
- stereoregularity22
- stretchabilities25
- submitochondrial31
- substantialities22
- substitutability27
- substitutionally26
- suggestibilities25
- supercompetitive33
- superficialities27
- superimpositions27
- superintensities22
- supernormalities25
- superparasitisms26
- supersensitively28
- supersensitivity27
- supersexualities29
- supportabilities27
- supposititiously27
- supranationality25
- susceptibilities27
- sustainabilities22
- teratogenicities22
- territorialities17
- territorializing29
- theocentricities25
- thermolabilities26
- thermoplasticity30
- thrombophlebitis33
- thyrocalcitonins29
- totalitarianisms21
- totalitarianized28
- totalitarianizes27
- traditionalistic22
- traditionalizing31
- trafficabilities29
- transitivenesses22
- transitorinesses18
- transliterations19
- transmissibility26
- transmissivities24
- transportability26
- transsexualities26
- triboelectricity28
- trinitrotoluenes20
- tumorigenicities26
- ubiquitousnesses32
- unaccountability32
- unalterabilities23
- unavailabilities27
- uncharitableness28
- uncongenialities26
- unconstitutional25
- undecidabilities27
- undercapitalized36
- undesirabilities23
- unfaithfulnesses29
- unflappabilities32
- unfruitfulnesses28
- ungrammaticality32
- unpalatabilities26
- unpredictability31
- unprofitableness29
- unsubstantiality26
- unthinkabilities29
- untouchabilities28
- upgradeabilities27
- vulvovaginitides34
- weatherabilities25
- whatchamacallits34