Just out of curiosity, what is the verb form of inception?
My (uneducated) guesses are incept and inceive.
There is none in current use! The verb with the same meaning is “to begin”.
The Latin verbs concipere (http://www.merriam-webster.com/netdict/conceive) and percipere (http://www.merriam-webster.com/dictionary/perceive) migrated to English. Incipere (http://www.thefreedictionary.com/inception) did not.
Very possibly, the anglo-saxon “beginnan” was found to be sufficient and no latin-based borrowing was needed.
“Incept” now primarily means “to take in; ingest“. However, according to Merriam-Webster, it has an archaic meaning (now out of use) of “to begin”.