- Ternary
- Terra
- Terrarium
- Terrible twins
- Terrier
- Terrified
- Territorial
- Territory
- Terrorise
- Tetrabasic
- Textbook
- Textured
- Thalassemia
- Thaliparamba
- Thallium
- Thank god
- Thank you for
- Thank you for nothing
- Thankful
- Thankless
- Thanks to
- Thawed
- Thawing
- The nativity
- The 7th case
- The absolute
- The absurd
- The apple of one's eyes
- The apple of ones eye
- The bird bluejay
- The bird has flown
- The buddha
- The like of you
- The finer points of
- The first flight
- The first person
- The first world war
- The fish
- The flood
- The four freedoms
- The game is not worth the candle
- The gilt is off
- The good
- The maker
- The male of plants
- The middle of the eight directions of the compass
- The most high
- The new rich
- The nineties
- The object desired or longed for
- The prerils of
- The racing world
- The real thing
- The reverend gentleman
- The rights and wrongs
- The root of sweet-rush
- The rope
- The running
- The ultimate
- The unacceptable face of
- Theistically
- Thenceforward
- Theodolite
- Theodolitic
- Theological
- Theophanic
- Theophany
- Theoretician
- Theory
- Theosophic
- There is no saying
- Thermoluminiscent
- Thermometer
- Thermomter
- Thermonuclear
- Thermostat
- Thew
- They
- Thick end of the stick
- Thick skin
- Thickening
- Thickness of voice
- Thicko
- Thieve
- Thievery
- Thieves
- Thievish
- Thighless
- Thinner end
- Third force
- Third party insurance
- Third time
- Thirstiness
- Thirsty
- Thirsty person
- Thirteen
- Thirunavaya
- This
- This and that
- Thoughtlessly