flection vs inflection

flection and inflection both are nouns.

Word	Noun	Adjective	Verb	Adverb
flection	Yes	No	No	No
inflection	Yes	No	No	No

As nouns, flection and inflection are synonyms defined as:

Other synonyms of flection include flexion.

flection (noun)	inflection (noun)
deviation from a straight or normal course	the patterns of stress and intonation in a language
the state of being flexed (as of a joint)	a manner of speaking in which the loudness or pitch or tone of the voice is modified
	deviation from a straight or normal course
	a change in the form of a word (usually by adding a suffix) to indicate a change in its grammatical function