13 letters
- irretrievably23
- irritableness18
- jabberwockies38
- knowledgeable29
- knowledgeably31
- labanotations19
- labialization28
- laboriousness19
- laughableness24
- likablenesses23
- livablenesses23
- liveabilities22
- losablenesses19
- lovablenesses23
- machinability28
- mailabilities21
- malabsorption24
- manageability25
- manipulatable26
- marketability26
- measurability23
- meltabilities21
- memorableness24
- mensurability24
- metabolically27
- metabolizable33
- metastability22
- microfilmable30
- microhabitats24
- microwaveable30
- mineralizable31
- miserableness21
- modifiability26
- monosyllables25
- movablenesses25
- multisyllabic28
- multivariable26
- negotiability22
- nonabsorbable25
- nonabsorbents22
- nonabsorptive25
- nonalphabetic27
- noncancelable27
- noncomparable28
- nondeferrable23
- nondegradable23
- nondepletable24
- nondetachable25
- nondialyzable32
- nonexpendable31
- nonfilterable23
- nonmeasurable23
- nonnegotiable22
- nonperishable24
- nonrecyclable28
- nonrefillable24
- nonrefundable25
- nonreturnable21
- nonshrinkable26
- notablenesses19
- objectionable33
- objectionably35
- observability26
- obtainability23
- octosyllabics26
- octosyllables24
- openabilities21
- operabilities20
- overabstracts23
- overabundance27
- overelaborate21
- overstability23
- packabilities27
- palatableness22
- palpabilities24
- parabolically27
- paraphrasable25
- patentability23
- peaceableness24
- penetrability23
- perdurability24
- perishability24
- placabilities24
- playabilities23
- pliablenesses22
- polysyllables27
- portabilities20
- potablenesses21
- prefabricated26
- prefabricates25
- preferability25
- probabilistic26
- probabilities23
- profitability25
- programmables28
- promotability25
- pronounceable26
- psychobabbler33
- psychobabbles33
- punishability26
- quotabilities27
- rabbitbrushes25
- radiolabeling22
- radiolabelled21
- readabilities18
- reasonability20
- recallability24
- recommendable28
- reestablished20
- reestablishes19
- reformability25
- refundability25
- rehabilitants20
- rehabilitated20
- rehabilitates19
- rehabilitator19
- reinforceable24
- reliabilities18
- remediability23
- removableness25
- rentabilities18
- repairability22
- repeatability22
- replenishable24
- replicability26
- representable21
- resectability22
- restabilizing29
- reusabilities18
- rhabdomancers26
- rhabdomancies26
- rhabdoviruses24
- roadabilities18
- semipermeable26
- separableness21
- sinterability20
- sizablenesses27
- sociabilities20
- solderability21
- solvabilities22
- sorbabilities20
- spreadability23
- squeezability38
- stabilization27
- stablishments23
- substitutable22
- suitabilities18
- summabilities24
- superableness22
- superabounded24
- superabundant24
- supercabinets24
- survivability28
- syllabicating26
- syllabication24
- syllabicities23
- tablespoonful26
- teachableness23
- technobabbles29
- tenablenesses19
- testabilities17
- thiabendazole30
- thinkableness25
- tractableness21
- transferrable21
- transformable24
- transmittable21
- transportable21
- tunablenesses20
- ultrareliable20
- unabbreviated26
- unaccountable27
- unaccountably29
- unassimilable23
- unassuageable22
- uncomfortable28
- uncomfortably30
- unconceivable30
- unconformable29
- unconformably31
- unconquerable33
- unconquerably35
- uncontainable24
- uncorrectable25
- undeliverable25
- undescribable26
- undiagnosable23
- unemployables28
- unenforceable26
- unequivocably38
- unestablished22
- unexplainable31
- unfalsifiable26
- unfashionable25
- unfashionably27
- unforeseeable22
- unforgettable24
- unforgettably26
- unfulfillable29
- unimpeachable30