hiccough nut vs shrub

hiccough nut and shrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
hiccough nut	Yes	No	No	No
shrub	Yes	No	No	No

As nouns, shrub is a hypernym of hiccough nut; that is, shrub is a word with a broader meaning than hiccough nut:

Other hypernyms of hiccough nut include bush.

hiccough nut (noun)	shrub (noun)
ornamental African shrub or climber with red flowers	a low woody perennial plant usually having several major stems