dip vs decline

dip and decline both are nouns.

Word	Noun	Adjective	Verb	Adverb
dip	Yes	No	Yes	No
decline	Yes	No	Yes	No

As verbs, decline is a hypernym of dip; that is, decline is a word with a broader meaning than dip:

Other hypernyms of dip include go down, wane.

As verbs, decline is a hypernym of dip; that is, decline is a word with a broader meaning than dip:

dip (noun)	decline (noun)
a brief swim in water	a downward slope or bend
a gymnastic exercise on the parallel bars in which the body is lowered and raised by bending and straightening the arms	a gradual decrease; as of stored charge or current
a candle that is made by repeated dipping in a pool of wax or tallow	change toward something smaller or lower
a sudden sharp decrease in some quantity	a condition inferior to an earlier condition; a gradual falling off from a better state; decline
a brief immersion
tasty mixture or liquid into which bite-sized foods are dipped
a thief who steals from the pockets or purses of others in public places
(physics) the angle that a magnetic needle makes with the plane of the horizon
a depression in an otherwise level surface

dip (verb)	decline (verb)
stain an object by immersing it in a liquid	grow smaller
go down momentarily	grow worse
dip into a liquid while eating	show unwillingness towards
immerse briefly into a liquid so as to wet, coat, or saturate	inflect for number, gender, case, etc.
plunge (one's hand or a receptacle) into a container	go down
immerse in a disinfectant solution	fall in value
scoop up by plunging one's hand or a ladle below the surface	not accept as true
place (candle wicks) into hot, liquid wax
dip into a liquid
appear to move downward
slope downwards
lower briefly
switch (a car's headlights) from a higher to a lower beam
take a small amount from