coincidence = 84
exactly two answers
c3o15i9n14c3i9d4e5n14c3e5=84c3o15s19m13o15s19=84s19t20r18a1n14g7e5=84f6o15r18t20y25=84
coincidence = cosmos = strange = forty = 84
COINCIDENCE is 84, which is 2 × 42. So are COSMOS, STRANGE and FORTY.
A coincidence is two answers. This site is a list of them.
Rule: a=1 … z=26, letters only.
type a word
a=1 … z=26, letters only. If it comes to 42, 91 or 133 the page will say so.