8
clover
6
medic
6
shamrock(noun, triality)
4
three
3
medick
3
tierce(noun, triality)
3
tripod
3
leash
2
ternion
2
trey
2
triad
2
triangle
2
trident
2
triennium
2
trinomial
2
trio
2
triplet
2
trireme
2
triseme
2
triskelion
11 years ago|2.9k views|share |citing 
APASmart Define. (2015). trefoil thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/trefoil/thesaurus/synonyms
ChicagoSmart Define. 2015. "trefoil thesaurus" https://smartdefine.org/trefoil/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, trefoil thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/trefoil/thesaurus/synonyms>.
MLASmart Define. "trefoil thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/trefoil/thesaurus/synonyms>