discourse
decompose.
talk, chat, converse
Talk, converse, express, and state.
There are many synonyms of happiness like pleasure, satisfaction etc. One that starts with D letter is Delight.
Irregular as "not regular" can have the synonyms disconnected or discontinuous. Irregular as "not normal" can have the synonyms deviant, different, divergent. Irregular as "not even" can have the synonym disproportionate.
talk using your words conversating
abrupt: blunt, brisk, short, snappy, rude, sharp, sudden, hurried, surprising, quick converse: contrary, opposite, reverse
converse, clog
:D
intolerable
converse.
cowboy boots