EUPHEMISM
ADJECTIVES
► HYPOCORISTIC of the nature of a pet-name or nickname; pert. to the habit of using endearing or euphemistic terms → 1796
► HYPOCORISTICAL of the nature of a pet-name or nickname; pert. to the habit of using endearing or euphemistic terms → 1609 obs.
NOUNS
► NONNY-NONNY a general term of avoidance; a word used to replace any word which is considered impolite or indelicate → 18C Brit. sl.
Lexicophilia 