hiccup nut vs shrub

hiccup nut and shrub both are nouns.

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

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

Other hypernyms of hiccup nut include bush.

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