12-Letter Words Matching S_________D_

There are 14 12-letter words that match S_________D_. 4 are common words, such as SMORGASBORDS and SPRINGBOARDS. A rarer one is SUPERABOUNDS. In this set, S is the most frequent open letter (13 words). 4 words contain a doubled letter.

Full list 14

smorgasbordsspringboardssuperintendsswitchboardsscorpaenoidsscratchcardssleuthhoundssplashboardssulphonamidescattergoodsservanthoodsshittimwoodsstaphylinidssuperabounds

About this list

Words
14 (4 common words)
Common example
smorgasbords
Rare example
superabounds
Doubled letters
4
Ending in S
13
Most frequent letter
S (13)

Questions

How many 12-letter words matching s_________d_ are there?

14. 4 of them are common words.

What is a common example?

SMORGASBORDS is among the common words in this set.