6-Letter Words Matching C____O

There are 17 6-letter words that match C____O. 4 are common words, such as CALICO and CARDIO. A rarer one is CRYPTO. In this set, A is the most frequent open letter (8 words). 5 words contain a doubled letter.

Full list 17

calicocardiocasinocuckoocatalocheapochromocicerocolugocomedocrambocashoocharrocheerocogitocoocoocrypto

About this list

Words
17 (4 common words)
Common example
calico
Rare example
crypto
Doubled letters
5
Ending in S
0
Most frequent letter
A (8)

Questions

How many 6-letter words matching c____o are there?

17. 4 of them are common words.

What is a common example?

CALICO is among the common words in this set.