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