come on
c'mon
/kəˈmɑn/ReductionLinking
In real speech
What happens to the sounds
The vowel in come weakens to /ə/ and the two words merge: come on → c'mon /kəˈmɑn/.
When to use it
To hurry someone (C'mon, we're late!), encourage them (C'mon, you can do it!) or protest (Oh, c'mon!).
Casual → formal
Slang
c'mon
Neutral
come on
Sound notes
Reduction: unstressed words get squeezed, and their vowels turn into the neutral sound /ə/.