graves, saves, slaves
bun. (rhymes with spoon)
Ride the waves!
Very carefully. But if you meant an example sentence, then: Kroner rhymes with boner lol.
Still is a verb in that sentence.
Radio waves, infrared, and microwaves are examples of electromagnetic waves.
The word "what" in that sentence ("I can't what to play") makes no sense. Perhaps you mean "wait"? Please see the related question below for "What rhymes with again?"
It makes me want to sing.
In this sentence, the word "still" is functioning as an adverb, indicating that the waves are continuing to maintain a certain state or position without change.
I will abandon this ship if the waves don't subside.
Waves of indignation are rising up.
Busses rhymes with trusses. Let's use the word in a sentence: Since Mitch Longley didn't have a car, he was forced to take the busses.
"Whai" is not an English word. It is very hard to rhyme with an entire sentence. Perhaps you only need to ask what rhymes with green.