Synonyms to pen pal

addressee, accepter, acquirer, artist-in-residence, audience, auditor, beholder, communicator, consignee, correspondent, denizen, dweller, getter, habitant, hearer, holder, house detective, incumbent, inhabitant, inhabiter, inmate, inpatient, intern, letter writer, listener, live-in maid, locum tenens, looker, obtainer, occupant, occupier, payee, procurer, receiver, recipient, residencer, resident, resident physician, residentiary, resider, sojourner, spectator, taker, tenant, trustee, viewer, writer, accordant, accused, affirmative, agreeable, agreeing, alike, all one, all the same, ally, alter ego, analogon, analogous, analogue, answerable, answering, associate, at one, automatic, balanced, brother, city editor, close copy, close match, coequal, coexistent, coexisting, coextensive, cognate, coherent, coincident, coincidental, coinciding, columnist, commensurate, companion, comparable, compatible, complement, complemental, complementary, concordant, concurring, conformable, congenator, congener, congenial, congruent, congruous, consentaneous, consentient, con