ripple vs cockle

ripple and cockle both are nouns.

Word	Noun	Adjective	Verb	Adverb
ripple	Yes	No	Yes	No
cockle	Yes	No	Yes	No

As verbs, ripple and cockle are synonyms defined as:

Other synonyms of ripple include riffle, ruffle, undulate.

ripple (noun)	cockle (noun)
a small wave on the surface of a liquid	common edible, burrowing European bivalve mollusk that has a strong, rounded shell with radiating ribs
(electronics) an oscillation of small amplitude imposed on top of a steady value	common edible European bivalve

ripple (verb)	cockle (verb)
stir up (water) so as to form ripples	to gather something into small wrinkles or folds
flow in an irregular current with a bubbling noise	stir up (water) so as to form ripples