shrublet vs shrub

shrublet and shrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
shrublet	Yes	No	No	No
shrub	Yes	No	No	No

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

Other hypernyms of shrublet include bush.

shrublet (noun)	shrub (noun)
dwarf shrub	a low woody perennial plant usually having several major stems