13 letters
- overprotected24
- overqualified32
- overregulated22
- overresponded23
- oversaturated19
- overstretched23
- oversweetened22
- overtightened23
- pamphleteered26
- parameterized29
- parenthesized29
- particleboard24
- philosophised25
- philosophized34
- phosphoresced27
- photocomposed28
- photoengraved26
- photooxidized36
- pictorialized30
- politicalized31
- porcelainized31
- posttensioned19
- predesignated21
- predestinated19
- predetermined22
- predischarged25
- prefabricated26
- preformulated25
- preponderated22
- preprogrammed28
- preregistered19
- presanctified24
- presterilized27
- prestructured22
- propagandized33
- propositioned21
- psychologised27
- psychologized36
- quarterbacked34
- radiolabelled21
- rattlebrained19
- reaccelerated21
- reapportioned21
- rearticulated19
- recapitalized30
- recapitulated22
- recentrifuged24
- reconditioned20
- reconnoitered19
- reconsecrated21
- reconstituted19
- reconstructed22
- redintegrated18
- redistributed19
- reembroidered21
- reencountered20
- reestablished20
- reexperienced28
- reflectorized30
- rehabilitated20
- reinterpreted18
- reinterviewed22
- reinvigorated21
- remilitarized27
- repartitioned18
- repopularized31
- repressurized27
- repristinated18
- reprovisioned22
- requisitioned25
- resynthesized28
- retransferred18
- retransformed21
- retransmitted18
- reupholstered21
- sectarianized27
- semicivilized34
- sextuplicated29
- shuttlecocked28
- somnambulated26
- sophisticated22
- southeastward20
- southwestward23
- spiritualized28
- steamrollered19
- stereographed21
- straightlaced22
- subclassified25
- subcontracted25
- subdistricted22
- subinfeudated24
- subjectivised34
- subjectivized43
- substantiated19
- summersaulted23
- superabounded24
- superannuated21
- superelevated23
- superhardened22
- superinfected25
- superintended21
- superovulated24
- technicalized33
- technologized32
- tenderhearted18
- tergiversated20
- thenceforward26
- thermostatted19
- thimblerigged27
- thymectomized36
- tranquillized36
- transgendered19
- transmigrated20
- transvaluated21
- trothplighted24
- ultrararefied19
- unabbreviated26
- unaccompanied29
- unadjudicated31
- unadulterated19
- unanticipated23
- unappreciated25
- unarticulated21
- unassimilated20
- unbowdlerized33
- uncapitalized32
- unchlorinated23
- uncircumcised29
- uncompensated26
- uncomplicated29
- unconditioned22
- unconsecrated23
- unconstrained21
- unconstricted23
- unconstructed24
- unconsummated27
- uncoordinated21
- underachieved26
- underbudgeted24
- undereducated22
- underemployed26
- underfinanced25
- underinflated22
- underprepared23
- underreported20
- underutilized28
- undisciplined25
- undiscouraged23
- undissociated20
- undistributed21
- unelectrified23
- unembarrassed22
- unembellished26
- unenlightened23
- unestablished22
- unhandicapped29
- unhomogenized33
- unimpassioned23
- unimplemented27
- uninterrupted21
- unintimidated21
- universalized30
- unmanipulated25
- unmetabolized32
- unparasitized28
- unpasteurized29
- unprecedented24
- unpressurized29
- unrepresented20
- unspecialized32
- untransformed23
- wheelbarrowed26