| Word | Definitions | Synonyms |
|---|---|---|
| annul | (verb) cancel officially | Synonyms: countermand, lift, overturn, repeal, rescind, reverse, revoke, vacate |
| (verb) declare invalid | Synonyms: avoid, invalidate, nullify, quash, void | |
| cannulate | (verb) introduce a cannula or tube into | Synonyms: cannulise, cannulize, canulate, intubate |
| cannulise | (verb) introduce a cannula or tube into | Synonyms: cannulate, cannulize, canulate, intubate |
| cannulize | (verb) introduce a cannula or tube into | Synonyms: cannulate, cannulise, canulate, intubate |