correspond

Synonyms: accord amount approach assimilate be consistent be identical to be similar to coincide compare conform correlate dovetail equal fit harmonize lip sync match partake of reciprocate resemble rival square tally touch

Antonyms: differ disagree

Synonyms: answer drop a kite drop a line drop a note epistolize exchange letters have pen pal hear from keep in touch pen put pen to paper reply scribble send letter send word write