tetrad
9 synonyms for tetrad, grouped by meaning and by how common each one is.
Noun — A set of four things.
Synonyms
Everyday swaps
Common words most readers know — safe in any writing.
Less common
Still standard English, but they carry more weight.
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
Etymology
Comes from Ancient Greek τετράς (tetrás), which can be broken down as tetra- + -ad.
Full origin of tetrad →