for·ni·ca·tion 
(fôr′nĭ-kāshən)
(fôr′nĭ-kāshən)n.
Sexual intercourse between people who are not married to each other, especially when considered as a sin.
- interject
- interjection
- interjectional
- interjectionally
- interjector
- interjectory
- interlace
- interlacement
- Interlaken
- interlaminate
- interlamination
- interlanguage
- interlard
- interleaf
- interleague
- interleave
- interleukin
- interleukin-1
- interleukin-2
- interleukin-3
- interlibrary
- interline
- interline
- interlinear
- interlineation