Synonyms of three

1 Syllable
triad, third
2 Syllables
trinal, treble, trine, triune, triple
3 Syllables
trinity, triangular, trigonal, trinary, trigonous, triunity, ternary, ternate
4 Syllables
tripartite, triumvirate, trilateral, pyramidal, trinitarian, trichotomic, trichotomous