- tetrahedral15
- textual16
- textural17
- thanatological24
- theatrical16
- thecal12
- theistical16
- thenal10
- theocratical21
- theological20
- theoretical17
- theosophical23
- therewithal19
- theriacal15
- thermal13
- thermochemical31
- thermodynamical31
- thesaural13
- thetical14
- theurgical19
- thimerosal16
- thiopental17
- thoracal14
- thrasonical18
- thyroidal15
- tibial10
- tical9
- tidal7
- timbal13
- timbral14
- timocratical22
- tincal11
- tinctorial15
- tineal8
- tissual9
- tombal13
- tonal7
- tonsorial11
- topical14
- toploftical22
- topographical27
- topological21
- toponymical24
- toroidal10
- torrential12
- torsional11
- total6
- toxical18
- toxicological30
- tracheal14
- tracheobronchial31
- tractional15
- traditional14
- tragical14
- tragicomical24
- transactional19
- transcendental22
- transcontinental24
- transcriptional24
- transcultural21
- transdermal17
- transductional22
- transeptal15
- transferal15
- transferential20
- transformational25
- transfusional20
- transgenerational23
- transhistorical22
- transitional15
- translational17
- transmittal16
- transnational17
- transnatural16
- transpersonal19
- transpirational21
- transplacental24
- transportational22
- transpositional21
- transsexual21
- transubstantial22
- transversal17
- trapezoidal25
- traversal14
- treponemal18
- trial6
- triaxial16
- tribal10
- tribological22
- tribunal14
- trichinal16
- trichomonacidal29
- trichomonal21
- tridimensional21
- triennial12
- trifocal15
- trigeminal17
- triglyphical26
- trigonal12
- trigonometrical25
- trihedral13
- trilateral12
- trilingual16
- triliteral12
- trilobal13
- trinal8
- trinodal11
- trinomial14
- tripedal13
- triphthongal23
- tripodal13
- tritheistical19
- triumphal19
- trivial12
- trochal13
- trochanteral19
- trochoidal17
- troopial12
- tropical15
- tropological22
- troupial13
- tubal10
- tuitional12
- tumoral12
- turbinal14
- turrical13
- tussal8
- tutorial10
- tymbal15
- tympanal18
- typal11
- typical16
- typographical29
- typological23
- tyrannical18
- ufological21
- ultracasual18
- ultracentrifugal29
- ultracommercial30
- ultracritical22
- ultraliberal19
- ultramicroscopical36
- ultraparadoxical33
- ultraphysical26
- ultrapractical26
- ultraprofessional27
- ultraradical19
- ultrarational17
- ultrastructural23
- umbilical21
- umbonal16
- umbral14
- unbiblical23
- uncanonical22
- unchronological30
- uncial12
- uncinal14
- unclassical21
- uncommercial27
- unconditional22
- uncongenial21
- unconstitutional25
- uncontroversial26
- unconventional27
- uncritical19
- uncynical21
- undenominational26
- undialectical24
- unecological24
- uneconomical25
- unemotional18
- unempirical23
- unequal20
- unequivocal31
- unessential15
- unethical17
- unexceptional30
- unfilial15
- ungenial14
- ungrammatical27
- ungual12
- unhistorical20
- unhysterical22
- unialgal14
- uniaxial18
- unicameral19
- unideal11
- unideological23
- unidimensional23
- unidirectional22
- unilateral14
- unilineal14
- unilingual18
- unintellectual24
- unintentional19
- uniparental18
- unisexual20
- unisonal12
- universal16
- univocal18