quaff:
drink
nepenthe:
a drink which makes one forget sorrow
respite:
repose and rest
Alliteration:
Repeated consonant sounds Internal
Rhyme:
Rhyme within the line. Assonance:
Repeated vowel sounds
Seraphim:
angels
censer:
a container in which incense is burned
wretch:
scoundrel, miscreant