trinity C2+

/ˈtrɪnəti/ a group of three; in Christianity, the union of three persons in one Godhead M S

ternary C2+

/ˈtɝnɛri/ composed of or based on three parts; using the number three M S

ternion C2+

/ˈtɝniən/ a set or group of three; a triad M S

trey C2+

/treɪ/ a playing card or die showing three; a three-point basketball shot M S

trine C2+

/traɪn/ an astrological aspect of two planets one-third of the zodiac apart M S