Word Unit: tremo-, tremor-, tremb-, trem-; tremul- + (Latin: shivering, shaking, quivering)
Word Unit: trepid- (Latin: agitated, alarmed, restless, anxious, solicitous; fear, fearful, fright; terror; consternation)
Word Unit: tri-, tre- (Greek > Latin: a numerical prefix meaning, three, thrice, threefold; triple; a word element for number 3)

Cross references of word families that are related, partially or totally, to: "three, third": terce-; terti-; trigono-; trito-.

Word Unit: tribo-, trib- (Greek: friction, rub, rubbing, grind, wear away; spend, waste time; be busy)

Cross references of word families that are related directly, or indirectly, to: "rub, rubbing; wear away; wipe": bruxo, brux-; frica-, frict-; terg-; -tripsy; trit-.

Word Unit: Tribology (a greaseless way to achieve lubrication)
Word Unit: Tribology and Nanotribology (a sub-field of tribology involving contact geometries)
Word Unit: tribu-, trib- (Latin: to assign, to allot, to bestow, to give, to grant; from tribe, to give out among the tribes was tribuere which is the source of many of the words located in this unit)
Word Unit: Trichinosis (also known as trichinellosis, it is caused by eating raw or undercooked pork and wild game products)
Word Unit: tricho-, trich-, -tricha, -trichia, -trichan, -trichic, -trichosis, -trichous, -thrix, -trichum, -trichy + (Greek: hair [thread; filament; condition of the hair])

Links to other hair-related units: alopec-; barba-; Beards; capillaro-; chaeto-; cirro-; coife; crino-; Hair & Beard Styles; hirsute; pilo-; pogo-; villi-.

Word Unit: trigono-, trigon- + (Greek: triangular; three angles)

Cross references of word families that are related, partially or totally, to: "three, third": terce-; terti-; tri-, tre; trito-.

Word Unit: -tripsy, -tripsis, -tripic + (Greek: to crush; to massage, to rub, rubbing, friction, to grind)

Cross references of word families that are related directly, or indirectly, to: "rub, rubbing; wear away; wipe": bruxo, brux-; frica-, frict-; terg-; tribo-; trit-.

Word Unit: trismo-, trism- + (Greek: a gnashing, grating, grinding; lockjaw)
Word Unit: triste-, tristi- (Latin: sad, gloomy, melancholia)
Word Unit: trit- (Latin: to rub; to thresh, to grind; to wear away; from tritus, past participle of terere, "to rub")

Cross references of word families that are related directly, or indirectly, to: "rub, rubbing; wear away; wipe": bruxo, brux-; frica-, frict-; terg-; tribo-; -tripsy.

Word Unit: trito-, trit- (Greek: third; a number which is often used as a prefix)

Cross references of word families that are related, partially or totally, to: "three, third": terce-; terti-; tri-, tre; trigono-.

Word Unit: triumph- (Latin: achievement, a success, procession for a victorious general or admiral)
Word Unit: -trix + (Latin: woman, women; female, females; feminine, femininity)
Word Unit: troch-, trocho- + (Greek: that which is round[ed]; a wheel, a disk)
Word Unit: troglo-, trogl- (Greek > Latin: cave; thriving in caves; cave dweller)

Related "cave, cavern" word sources: cav-, cavern; speleo-; spelunc-, spelunk-; stalac-, stalag-.

Word Unit: Troglobites, cave creatures which live buried alive (cave-dwelling creatures)