7-Letter Words Matching __S_D__

There are 20 7-letter words that match __S_D__. 8 are common words, such as BESIDES and INSIDER. A rarer one is POSADAS. In this set, I is the most frequent open letter (14 words). 2 words contain a doubled letter.

Full list 20

besidesinsiderinsidesresidedresidesresiduaresidueupsidespostdocapsidalapsidesbasidiaresedasresiderwashdaybossdommisaddsmiseditpesadesposadas

About this list

Words
20 (8 common words)
Common example
besides
Rare example
posadas
Doubled letters
2
Ending in S
9
Most frequent letter
I (14)

Questions

How many 7-letter words matching __s_d__ are there?

20. 8 of them are common words.

What is a common example?

BESIDES is among the common words in this set.