sing vs spill the beans

sing and spill the beans both are verbs.

Word	Noun	Adjective	Verb	Adverb
sing	No	No	Yes	No
spill the beans	No	No	Yes	No

As verbs, sing and spill the beans are synonyms defined as:

Other synonyms of sing include babble, babble out, blab, blab out, let the cat out of the bag, peach, talk, tattle.

sing (verb)	spill the beans (verb)
make a whining, ringing, or whistling sound	divulge confidential information or secrets
divulge confidential information or secrets
to make melodious sounds
produce tones with the voice
deliver by singing