Same, identical.
''isoeffect, isointense''
Equal; equivalent.
''isorhythm''
Isomer.
(ux)
(''of an aliphatic compound, especially a fatty acid'') Having a branch on the penultimate carbon atom of a chain.
''isohexane''
Forms terms for specific kinds of isolines.
''isotherm, isochrone''
Isomorphism.
(l)
grand- (gl)
iso-
(syn)