1. The union of three; three united in or constituting one; a trinity; an element each atom of which, in combining, is equal to three atoms of hydrogen; the common chord, consisting of a note sounded along with its third and fifth.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• trined,
• striat,
• tryed,
• trived,
• trired,
• tryid,
• trimed,
• drind,
• itried,
• triond,
• tiried,
• trded,
• ttried,
• tria,
• tride,
• trided,
• triva,
• trighd,
• meriad,
• toread

• Truitt,
• trudeau,
• treat,
• Trudi,
• trad,
• troat,
• Trudie,
• trotta,
• tread,
• tried,
• trade,
• triode,
• trait,
• treaty,
• treadway,
• treed,
• Trudy,
• tredway.

The adjective form of the word "triad" is "triadic".

The plural of the "triad" can be the "triads".

The singular of the "triad" can be the "triad".