9-Letter Words Matching ____D_O__

There are 55 9-letter words that match ____D_O__. 27 are common words, such as AERODROME and ANHYDROUS. A rarer one is SKIDDOOED. In this set, R is the most frequent open letter (42 words). 14 words contain a doubled letter.

Full list 55

Common words

aerodromeanhydrousassiduousbackdropsblindfoldboardroombroadloomcauldronschildhooddeciduousfieldworkforedooms
aerodromeanhydrousassiduousbackdropsblindfoldboardroombroadloomcauldronschildhooddeciduousfieldworkforedoomsgrandiosegrandsonsguardroominsidiousinvidiousmaladroitmelodiousnamedropsraindropsroundwormsnowdropsspeedboatsquadronsteardropstrapdoorsacrodromeanandrousblindwormbloodrootbloodwormbreadrootchaldronschondromadiandrousgrandiosoloxodromemeandrousmenadionemonadnockvelodromewoundwortbackdroptcycadeoiddihedronsdreadlockmelodeonsoverdroveparadropspauldronspinedropsrigadoonsroundwoodskiddooed

About this list

Words
55 (27 common words)
Common example
aerodrome
Rare example
skiddooed
Doubled letters
14
Ending in S
26
Most frequent letter
R (42)

Questions

How many 9-letter words matching ____d_o__ are there?

55. 27 of them are common words.

What is a common example?

AERODROME is among the common words in this set.