pitfall vs booby trap

pitfall and booby trap both are nouns.

Word	Noun	Adjective	Verb	Adverb
pitfall	Yes	No	No	No
booby trap	Yes	No	No	No

As nouns, pitfall and booby trap are synonyms defined as:

pitfall and booby trap: an unforeseen or unexpected or surprising difficulty

pitfall (noun)	booby trap (noun)
a trap in the form of a concealed hole	an explosive mine hidden underground; explodes when stepped on or driven over
an unforeseen or unexpected or surprising difficulty	an unforeseen or unexpected or surprising difficulty