bottle up vs repress

bottle up and repress both are verbs.

Word	Noun	Adjective	Verb	Adverb
bottle up	No	No	Yes	No
repress	No	No	Yes	No

As verbs, repress is a hyponym of bottle up; that is, repress is a word with a more specific, narrower meaning than bottle up:

bottle up: consciously restrain from showing; of emotions, desires, impulses, or behavior
repress: suppress in order to conceal or hide

Other hyponyms of bottle up include dampen, stifle, muffle, smother, stifle, strangle, choke.

bottle up (verb)	repress (verb)
consciously restrain from showing; of emotions, desires, impulses, or behavior	block the action of
	put out of one's consciousness
	suppress in order to conceal or hide
	put down by force or intimidation
	impede or hinder the natural development or self-expression of