v. exchange messages; "My Russian pen pal and I have been corresponding for several years"

v. take the place of or be parallel or equivalent to; "Because of the sound changes in the course of history, an 'h' in Greek stands for an 's' in Latin"

v. 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"

v. take the place of