HackerVoca

incentive : motive, stimulus, spur, impulse, goad,
prod1 / verb prodded, prodding [intransitive, transitive]

1 to push or press something with your finger or a pointed object; poke1 (1): She prodded me sharply in the ribs.

[+ at]: Theo prodded at the dead snake.

2 to strongly encourage someone to do something: She's not lazy, but she needs prodding. | prod sb into (doing) sth: We just need something to prod them into action.

incessant adjective
an incessant activity, noise etc continues without stopping, in an annoying way: The child's incessant talking started to irritate her.
incessantly adverb