The difference between Accede and Agree

When used as verbs, accede means to approach, whereas agree means to harmonize in opinion, statement, or action.

check bellow for the other definitions of Accede and Agree

Accede as a verb (archaic, intransitive):

To approach; to arrive, to come forward.
Accede as a verb (intransitive, now, _, rare):

To give one's adhesion; to join up with (a group, etc.); to become part of.
Accede as a verb (intransitive):

To agree or assent to a proposal or a view; to give way.
Accede as a verb (intransitive):

To come to an office, state or dignity; to attain, assume (a position).
Accede as a verb (intransitive):

To become a party to an agreement or a treaty.

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.