10 letters
- springiest16
- springings19
- stinginess14
- stingingly19
- stodginess14
- strategies12
- strategist12
- strategize21
- stravaging19
- stringiest13
- stringings16
- submerging22
- subregions17
- suffragist19
- supergiant17
- surgically20
- swingingly22
- syllogisms19
- syllogists16
- syllogized26
- syllogizes25
- synergisms18
- synergists15
- teleologic17
- theologian16
- theologies15
- theologise15
- theologize24
- theurgical19
- theurgists15
- tocologies16
- tokologies17
- topologies16
- topologist16
- tragically19
- tragicomic21
- tropologic19
- turgidness15
- typologies18
- typologist18
- ufological21
- ufologists17
- unchanging23
- uncharging22
- unclogging23
- undergirds16
- unflagging23
- unforgiven22
- ungimmicky29
- ungrudging21
- unhygienic22
- unoriginal16
- unplugging24
- unslinging19
- upbringing23
- upflinging24
- upswinging23
- urological18
- urologists14
- uropygiums22
- vagilities17
- vaginismus21
- vertigines17
- vigilances21
- vigilantes18
- vigilantly21
- viraginous18
- virginally21
- virologies17
- virologist17
- whirligigs20
- wigwagging25
- zigzagging37
- zoological26
- zoologists22
- zymologies27