- toxin
- tripod
- thistle
- teasel
- teazle
- tantrum
- taxonomy
- tuberculosis
- treacle
- thriving
- termagant
- titled
- tenter
- tenable
- temerity
- tautness
- transpiration
- tic
- terse
- thrush
- truism
- treating
- tranquilizing
- tranquilising
- trainee
- terrestrial
- turn to
- therm
- tempest
- top dressing
- transverse
- there and then
- thermodynamics
- theme song
- the supreme being
- tameness
- tittle
- third person
- tuesday
- trust territory
- tray
- time lag
- time interval
- time sheet
- tube well
- thickset
- transformer
- tongs
- tipsy
- trespass