Answer:

trines

AnswerCrossword Clue
TRINESGroups of three
TRINESThirds.
TRINESTrigons.
TRINESPlanetary aspects.
TRINESTriads.
TRINESGroups of threes.
TRINESThree-toned chords.
TRINESTriples.
TRINESAstrological aspects.
TRINESSets of three.
TRINESThreesomes
TRINESSets of three
TRINESTriplets
TRINESAstrological aspects
TRINESThrees