bead vs pearl

bead and pearl both are nouns.

Word	Noun	Adjective	Verb	Adverb
bead	Yes	No	Yes	No
pearl	Yes	No	Yes	No

As nouns, bead and pearl are synonyms defined as:

Other synonyms of bead include drop.

bead (noun)	pearl (noun)
a small ball with a hole through the middle	a shade of white the color of bleached bones
a beaded molding for edging or decorating furniture	a smooth lustrous round structure inside the shell of a clam or oyster; much valued as a jewel
a shape that is spherical and small	a shape that is spherical and small

bead (verb)	pearl (verb)
string together like beads	gather pearls, from oysters in the ocean
decorate by sewing beads onto
form into beads, as of water or sweat, for example