antiphon (n.)
- acknowledgment
 - answer
 - anthem
 - antiphony
 - backchat
 - canticle
 - chant
 - chorale
 - comeback
 - doxology
 - echo
 - hallelujah
 - hosanna
 - hymn
 - hymnody
 - mantra
 - motet
 - offertory
 - paean
 - psalm
 - psalmody
 - reaction
 - receipt
 - rejoinder
 - repartee
 - replication
 - reply
 - report
 - rescript
 - rescription
 - respondence
 - response
 - retort
 - return
 - reverberation
 - riposte
 - versicle