No.
No, but "blast" and "classed" do rhyme.
Yes. See the related question below for "What rhymes with last?"
A hink pink is a word puzzle where the answer is a pair of rhyming words that match a given clue. "Final explosion" could be a hink pink for "last blast." In this case, "final" and "blast" rhyme and also fit the clue of an explosive event.
Some words that rhyme classmen are ass men, past ten, has been, and crass friend. You could probably also use past trend, last yen, or blast them.
Grasp is a verb and a noun. Verb: Grasp my hand before you fall. Noun: His hand slipped from my grasp.
Internal rhyme.
Serpens is in the grasp of Ophiuchus.
To rhyme with Full Grit.To rhyme with Full Grit.To rhyme with Full Grit.To rhyme with Full Grit.To rhyme with Full Grit.To rhyme with Full Grit.To rhyme with Full Grit.To rhyme with Full Grit.To rhyme with Full Grit.To rhyme with Full Grit.To rhyme with Full Grit.
ner rhyme, but not rhyme ner rhyme, but not rhyme ner rhyme, but not rhyme
No, 'ox' and 'not' do not rhyme.
blast cast mast fast there are loads more
A synonym for "grasp" is "understand" or "comprehend."