The difference between Agree and Coincide

When used as verbs, agree means to harmonize in opinion, statement, or action, whereas coincide means to occupy exactly the same space.

check bellow for the other definitions of Agree and Coincide

Agree as a verb (intransitive):

To harmonize in opinion, statement, or action; to be in unison or concord; to be or become united or consistent; to concur.

Examples:

"all parties agree in the expediency of the law."
Agree as a verb (intransitive):

To yield assent; to accede;—followed by to.

Examples:

"to agree to an offer, or to opinion."
Agree as a verb (transitive, UK, Irish):

To yield assent to; to approve.
Agree as a verb (intransitive):

To make a stipulation by way of settling differences or determining a price; to exchange promises; to come to terms or to a common resolve; to promise.
Agree as a verb (intransitive):

To be conformable; to resemble; to coincide; to correspond.

Examples:

"the picture does not agree with the original; the two scales agree exactly."
Agree as a verb (intransitive, now always with ''with''):

To suit or be adapted in its effects; to do well.

Examples:

"the same food does not agree with every constitution."
Agree as a verb (intransitive, grammar):

To correspond to in gender, number, case, or person.

Examples:

"In Romanian, the articles, adjectives, pronouns agree in gender, number and case with the noun they refer to."
Agree as a verb (intransitive, legal):

To consent to a contract or to an element of a contract.

Coincide as a verb:

To occupy exactly the same space.

Examples:

"The two squares coincide nicely."
Coincide as a verb:

To occur at the same time.

Examples:

"The conference will coincide with his vacation."
Coincide as a verb:

To correspond, concur, or agree.

Examples:

"Our ideas coincide, except in certain areas."