- tetr-
- tetra
- tetra-
- tetraacid
- tetrabasic
- tetrabranchiate
- tetracaine
- tetracaines
- tetrachloride
- tetrachloroethylene
- tetrachord
- tetracid
- tetracycline
- tetracyclines
- tetrad
- tetradactylous
- tetrads
- tetradymite
- tetradymites
- tetradynamous
- tetraethyl lead
- tetraethyl pyrophosphate
- tetragon
- Tetragrammaton
- tetrahedra