| closely similar or comparable in kind or quality or quantity or degree | marked by correspondence or resemblance |
| same in identity | resembling or similar; having the same or some of the same characteristics; often used in combination |
| equal in amount or value | having the same or similar characteristics |
| unchanged in character or nature | capable of replacing or changing places with something else; permitting mutual substitution without loss of function or suitability |
| | (of words) expressing closely related meanings |