saltation vs busker

saltation and busker both are nouns.

Word	Noun	Adjective	Verb	Adverb
saltation	Yes	No	No	No
busker	Yes	No	No	No

saltation (noun)	busker (noun)
a light, self-propelled movement upwards or forwards	a person who entertains people for money in public places (as by singing or dancing), usually while asking for money
taking a series of rhythmical steps (and movements) in time to music
(genetics) a mutation that drastically changes the phenotype of an organism or species
an abrupt transition
(geology) the leaping movement of sand or soil particles as they are transported in a fluid medium over an uneven surface