12-Letter Words Containing IDS

There are 20 12-letter words that contain IDS. 6 are common words, such as CHAMBERMAIDS and HAEMORRHOIDS. A rarer one is TENEBRIONIDS. 4 words contain a doubled letter.

Full list 20

chambermaidshaemorrhoidshypothyroidsmaidservantsparathyroidsparatyphoidsantherozoidshyperboloidshypocycloidsscorpaenoidscannabinoidschrysomelidscounterraidscryptorchidscrystalloidsdiphtheroidsheteroploidsketosteroidsstaphylinidstenebrionids

About this list

Words
20 (6 common words)
Common example
chambermaids
Rare example
tenebrionids
Doubled letters
4
Ending in S
20

Questions

How many 12-letter words containing ids are there?

20. 6 of them are common words.

What is a common example?

CHAMBERMAIDS is among the common words in this set.