bolus vs tablet

bolus and tablet both are nouns.

Word	Noun	Adjective	Verb	Adverb
bolus	Yes	No	No	No
tablet	Yes	No	No	No

As nouns, tablet is a hypernym of bolus; that is, tablet is a word with a broader meaning than bolus:

Other hypernyms of bolus include lozenge, pill, tab.

bolus (noun)	tablet (noun)
a large pill; used especially in veterinary medicine	a dose of medicine in the form of a small pellet
a small round soft mass (as of chewed food)	a small flat compressed cake of some substance
	a slab of stone or wood suitable for bearing an inscription
	a portable computer with a touchscreen
	a number of sheets of paper fastened together along one edge