- The period of moons decrease
- The pill
- The portion of the body between the shoulder and the ribs
- The signs of the sun and its centres
- The skids
- The sky is the limit
- The son of god
- The sound om
- The strap
- The surrounding country
- The wood-apple tree
- The year dot
- The young
- Theatre
- Theatre-goer
- Thee
- Theft
- Theirs
- Theist
- Themselves
- Then and then itself
- Thence
- Theol
- Theological seminar
- Theomania
- Theorematic
- Theoretic, theoretical
- Theoretical
- Theorist
- Theosophical
- Therapeutics
- There and then,
- Thermogene
- Thermotaxis
- Thesaurus
- Thesis
- Thespesia populnea
- Thews
- Thick-skinned
- Thicken
- Thicket
- Thickhead
- Thickly
- Thickness
- Thickset
- Thief
- Thinned
- Thio
- Third degree
- Third man
- Third party
- Third world
- Thirstily
- Thirty
- Thiruvanchikulam
- Thoughtfulness
- Thousandth
- Thraldom
- Thrash
- Thread
- Thread-worm
- Threadfin bream
- Threat
- Three
- Three kinds
- Three months
- Throne
- Through and through
- Throughout
- Throw
- Throw away
- Throw down the glove
- Throw light on
- Throw mud at
- Throw-off
- Thug
- Thuggism
- Thumb
- Thunder-shower
- Thunderstone
- Thunderstruck
- Thundery
- Thus
- Thyroid gland
- Tiara
- Tiger
- Tiger moth
- Tiger-cat
- Tighten ones belt
- Tighten the net
- Tightening
- Time-worn
- Timebound
- Timescale
- Timetable
- Timing
- Timorous
- Tinder
- Tine
- Tinfoil