| Word | Definitions | Synonyms |
|---|---|---|
| countersign | (verb) add one's signature to after another's to attest authenticity | - |
| countersink | (verb) insert (a nail or screw below the surface, as into a countersink) | Synonyms: set |
| counterstrike | (verb) make a counterattack | Synonyms: counterattack |
| intersect | (verb) meet at a point | Synonyms: cross |
| intersperse | (verb) introduce one's writing or speech with certain expressions | Synonyms: interlard |
| (verb) place at intervals in or among | - | |
| interstratify | (verb) arrange rocks in alternating strata | - |