Ishmael vs untouchable

Ishmael and untouchable both are nouns.

Word	Noun	Adjective	Verb	Adverb
Ishmael	Yes	No	No	No
untouchable	Yes	Yes	No	No

As nouns, untouchable is a hyponym of Ishmael; that is, untouchable is a word with a more specific, narrower meaning than Ishmael:

Other hyponyms of Ishmael include heretic, misbeliever, religious outcast, leper, Harijan.

Ishmael (noun)	untouchable (noun)
(Old Testament) the son of Abraham who was cast out after the birth of Isaac; considered the forebear of 12 Arabian tribes	belongs to lowest social and ritual class in India
a person who is rejected (from society or home)

Ishmael (adjective)	untouchable (adjective)
	forbidden to the touch
	impossible to assail
	beyond the reach of criticism or attack or impeachment
	not capable of being obtained
	(especially used in traditional Hindu belief of the lowest caste or castes) defiling