The difference between Chuck up and Upchuck

When used as verbs, chuck up means to vomit, whereas upchuck means to vomit.

Upchuck is also noun with the meaning: vomit.

check bellow for the other definitions of Chuck up and Upchuck

Chuck up as a verb (slang, transitive, and, intransitive, chiefly, British, NZ):

To vomit; throw up.

Examples:

"She got ridiculously drunk last night and chucked up in the back of the minicab on the way home."

"Take it easy on the roller coasters or you're going to chuck up your lunch."
Chuck up as a verb (dated, transitive and intransitive):

To ; to give up; to admit defeat; to break a contract; to abandon or quit (something).

Examples:

"synonyms: jig up throw up jack up"

Upchuck as a verb (informal):

To vomit.

Examples:

"Joel began to upchuck all over the grandstand."