12 letters
- trifoliolate17
- trifurcating22
- trifurcation20
- triglyceride21
- triglyphical26
- trigonometry20
- trilingually21
- trimethoprim23
- trimetrogons18
- triphosphate22
- triphthongal23
- tripinnately20
- triplicating22
- triplication20
- triplicities19
- tristfulness18
- trisyllables20
- triturations14
- triumphalism25
- triumphalist22
- triumphantly25
- triumvirates20
- trivialising20
- trivialities17
- trivializing29
- trochanteral19
- trochanteric21
- trochophores22
- trolleybuses20
- trophallaxes26
- trophallaxis26
- trophoblasts21
- trophozoites26
- tropicalized29
- tropicalizes28
- tropological22
- tropomyosins21
- tropospheres20
- tropospheric23
- trothplights22
- troublemaker24
- troubleshoot19
- truckmasters23
- truculencies22
- truncheoning23
- trustability19
- trustbusters17
- trusteeships18
- trustfulness19
- trustinesses14
- trustingness17
- truthfulness21
- trypanosomes21
- trypsinogens21
- tryptophanes23
- tuberculated22
- tuberculoses21
- tuberculosis21
- tuberosities16
- tubocurarine21
- tumefactions23
- tumultuously23
- tunabilities18
- turbellarian19
- turbidimeter20
- turbidimetry22
- turbidnesses18
- turbocharged24
- turbocharger23
- turbulencies22
- turgescences22
- turgidnesses17
- turpentining21
- turtlenecked23
- tweedinesses17
- twelvemonths26
- typefounders23
- typefounding26
- typesettings20
- typewritings23
- typicalities21
- typification24
- typographers24
- typographies24
- typographing27
- tyrannically23
- tyrannicides20
- tyrannosaurs17
- tyrothricins20