13-Letter Words Containing SER

There are 54 13-letter words that contain SER. 25 are common words, such as ASSERTIVENESS and CARAVANSERAIS. A rarer one is UNSERIOUSNESS. In this set, I is the most frequent open letter (48 words). 18 words contain a doubled letter.

Full list 54

Common words

assertivenesscaravanseraiscommiseratingcommiserationcommiserativeconservanciesconservationsconservatismsconservativesdissertationshorseradishesmerchandisers
assertivenesscaravanseraiscommiseratingcommiserationcommiserativeconservanciesconservationsconservatismsconservativesdissertationshorseradishesmerchandisersmiserablenessmiserlinessesnonobservanceobservationalobservatoriespreservationspreservativesserendipitiesserendipitousserializationseriousnessessubserviencessubservientlyconservatoirecruiserweightdessertspoonsobservabilityoverassertivephotocomposersericulturistserologicallysteeplechaserunserviceableconservatizedconservatizescryopreservedcryopreservesinobservancesinterobserverjaponaiseriesmethysergidesoverassertingoverassertionoverseriouslyoverservicingserodiagnosesserodiagnosisserpiginouslyserriednessesservilenessesunassertivelyunseriousness

About this list

Words
54 (25 common words)
Common example
assertiveness
Rare example
unseriousness
Doubled letters
18
Ending in S
29
Most frequent letter
I (48)

Questions

How many 13-letter words containing ser are there?

54. 25 of them are common words.

What is a common example?

ASSERTIVENESS is among the common words in this set.