12 letters
- prequalifies29
- presignified22
- presignifies21
- prespecified25
- prespecifies24
- prizefighter31
- proficiently25
- profiteering21
- profiteroles19
- prolifically26
- prolificness23
- purification23
- purificators22
- purificatory24
- quantifiable30
- quarterfinal27
- ramification22
- ratification19
- reclassified20
- reclassifies19
- reconfigured23
- reconfigures22
- reconfirming25
- redefinition18
- reidentified18
- reidentifies17
- reifications19
- reoutfitting19
- resolidified18
- resolidifies17
- retrofitting18
- ribbonfishes24
- rustproofing22
- saccharified24
- saccharifies23
- saponifiable23
- semifinalist20
- semifinished22
- semiofficial25
- shellfishery23
- significance25
- significancy27
- silverfishes22
- sniffinesses20
- sniffishness22
- spearfishing23
- specifically28
- spiffinesses22
- sportfishing23
- steamfitters18
- stuffinesses20
- sufficiently26
- suffixations27
- superprofits22
- terrifically22
- tibiofibulae23
- tibiofibulas23
- transfigured20
- transfigures19
- transfixions24
- transpacific25
- typification24
- uglification23
- ultrarefined19
- unaffiliated22
- unclassified22
- ungentrified21
- unidentified20
- unifications21
- unmodifiable25
- unofficially27
- unprofitable24
- unprofitably26
- unscientific24
- unstratified18
- unverifiable25
- verification23
- vilification24
- vinification24
- vivification27
- windsurfings24