agree

How to sign: be compatible, similar or consistent; coincide in their characteristics
"The two stories don't agree in many details"; "The handwriting checks with the signature on the check"; "The suspect's fingerprints don't match those on the gun";

Similiar / Same: match, correspond, jibe, gibe, tally, check

Categories: be, equal, is

Within this category: adhere, align, answer, befit, coincide, consist, correlate, corroborate, harmonize, homologize, look, meet, parallel, pattern, resemble, rhyme, square, twin

agree

How to sign: be in accord; be in agreement
"We agreed on the terms of the settlement"; "I can't agree with you!"; "I hold with those who say life is sacred"; "Both philosophers concord on this point";

Similiar / Same: concur, concord, hold

Within this category: arrange, concede, conclude, reconcile, see eye to eye, settle, subscribe