booger vs bugaboo

booger and bugaboo both are nouns.

Word	Noun	Adjective	Verb	Adverb
booger	Yes	No	No	No
bugaboo	Yes	No	No	No

As nouns, booger and bugaboo are synonyms defined as:

Other synonyms of booger include bogeyman, boogeyman, bugbear.

booger (noun)	bugaboo (noun)
dried nasal mucus	a source of concern
an imaginary monster used to frighten children	an imaginary monster used to frighten children