The Collaborative International Dictionary
Respondence
Respondence \Re*spond"ence\ (-?ns), Respondency \Re*spond"en*cy\
(-en*s?), n.
The act of responding; the state of being respondent; an
answering.
--A. Chalmers.
The angelical soft trembling voice made
To the instruments divine respondence meet.
--Spenser.
Wiktionary
respondence
n. 1 (context obsolete English) response, answer. 2 (context now rare English) correspondence, agreement.