he·don·ics 
(hĭ-dŏnĭks)
(hĭ-dŏnĭks)n. (used with a sing. verb)
1. The branch of psychology that studies pleasant and unpleasant sensations and states of mind.
2. Philosophy The branch of ethics that deals with the relation of pleasure to duty.
- in common
- incommunicability
- incommunicable
- incommunicably
- incommunicado
- incommunicative
- incommunicatively
- incommutability
- incommutable
- incommutableness
- incommutably
- incomparability
- incomparable
- incomparableness
- incomparably
- incompatibility
- incompatible
- incompatibleness
- incompatibly
- incompetence
- incompetency
- incompetent
- incompetently
- incomplete
- incomplete abortion