call off, drop, forget about, annul, abolish, repeal, abort, revoke, eliminate
cancel, quit, cease
discredit, debate, cancel, dispute, oppose
a synonym for abrogate would be to abolish, cancel, retract, reject, or finish
Delete means to remove. Synonyms include remove, expunge, cancel, and others.
To discard means to throw out or get rid of. Synonyms for the word include abandon, abdicate, banish, cancel, dispatch, ditch, drop, expel, reject, remove, renounce, and scrap.
Some synonyms for abolish are cancel, void, destroy, erase, remove, omit, or discontinue.
The future tense of cancel is will cancel.
They are synonyms.
Synonyms
That depends entirely on what you wish to cancel.
Relative and kin are synonyms.
They are synonyms.