13 letters
- multivitamins26
- nonabsorptive25
- nonadditivity23
- nonaggressive23
- nonautomotive23
- nonconductive28
- noncreativity24
- noncultivated25
- noncumulative28
- nondeliveries21
- nonderivative24
- nondiscursive24
- nondispersive23
- nondisruptive24
- noneffectives28
- nonequivalent31
- nonevaluative25
- nonexecutives30
- nonexploitive30
- nonexplosives30
- nonfigurative25
- nonindividual24
- nonnarratives20
- nonpermissive25
- nonproductive27
- nonresponsive23
- nonsubjective35
- nonuniversals22
- nonuniversity23
- normativeness22
- normotensives22
- objectiveness33
- objectivistic35
- objectivities32
- obliviousness23
- obsessiveness21
- obstructively27
- obtrusiveness22
- offensiveness25
- operativeness21
- originatively23
- outdelivering23
- overassertive21
- overcivilized35
- overdiversity24
- oversensitive22
- overtalkative26
- ovoviviparous29
- participative26
- passivenesses21
- pensivenesses22
- performatives26
- perspectively29
- pervasiveness25
- photoemissive25
- photonegative25
- photopositive25
- plaintiveness23
- postoperative23
- precipitative26
- preconceiving30
- predeliveries22
- predicatively27
- prefigurative26
- premeditative24
- preparatively26
- prepositively26
- preservatives24
- presumptively30
- preuniversity24
- preventatives25
- primitiveness24
- primitivistic26
- primitivities23
- privatdocents25
- privatdozents31
- privatenesses21
- privatization30
- progressively25
- progressivism25
- progressivist22
- progressivity24
- prohibitively28
- proliferative24
- promotiveness24
- prospectively29
- provocatively30
- purposiveness25
- quadrivalents30
- qualitatively31
- radioactively24
- radioactivity23
- ratiocinative21
- reactivations21
- rebarbatively26
- receiverships25
- receptiveness24
- receptivities23
- recessiveness21
- reciprocative26
- reclusiveness23
- recriminative24
- recultivating25
- recursiveness22
- reductiveness23
- reduplicative26
- reflexiveness29
- reflexivities28
- reintegrative20
- reiteratively20
- remonstrative21
- remotivations21
- reprivatizing32
- reproductives25
- repulsiveness23
- resistiveness18
- resistivities17
- restivenesses18
- restrictively23
- resuscitative21
- retentiveness19
- retentivities18
- retributively24
- retroactively23
- retroactivity22
- retrogressive19
- retrospective23
- reverberative24
- reviviscences28
- seclusiveness23
- secretiveness21
- seductiveness23
- selectiveness22
- selectivities21
- semicivilized34
- sensitiveness19
- sensitivities18
- significative26
- speculatively28
- suasivenesses19
- subjectivised34
- subjectivises33
- subjectivisms36
- subjectivists33
- subjectivized43
- subjectivizes42
- subordinative23
- substantively25
- substantivize31
- superactivity26
- superlatively25
- survivability28
- survivorships27
- talkativeness23
- tentativeness19
- tergiversated20
- tergiversates19
- tergiversator19
- terminatively24
- thanksgivings29
- transgressive20
- transmutative22
- unassertively22
- uncompetitive28
- unconceivable30
- uncooperative25
- undeliverable25
- underactivity25
- unequivocably38
- unequivocally36
- unimaginative25
- uninformative26
- uninstructive24
- universalisms23
- universalists20
- universalized30
- universalizes29
- universalness21
- unobtrusively26
- unprogressive24
- unselectively26
- vivaciousness26
- vivifications28
- vivisectional26