13-Letter Words Matching S_________A__

There are 33 13-letter words that match S_________A__. 12 are common words, such as SALUTATORIANS and SEXAGENARIANS. A rarer one is SUPPLEMENTALS. 3 words contain a doubled letter.

Full list 33

Common words

salutatorianssexagenarianssoutheastwardsouthwestwardstatisticiansstraightawayssuperabundantsuperhighwayssupernaturalssupernumerarysupersaturatesupplementary
salutatorianssexagenarianssoutheastwardsouthwestwardstatisticiansstraightawayssuperabundantsuperhighwayssupernaturalssupernumerarysupersaturatesupplementaryscholasticatesemiporcelainstreptokinasesublieutenantsubventionarysulfonmethanesuperdominantsuperordinatesclerodermatasecobarbitalssemilegendarysemisedentaryspermatozoansstratovolcanosubcollegiatesublibrarianssubprincipalssubversionarysupermilitantsuperspecialssupplementals

About this list

Words
33 (12 common words)
Common example
salutatorians
Rare example
supplementals
Doubled letters
3
Ending in S
12

Questions

How many 13-letter words matching s_________a__ are there?

33. 12 of them are common words.

What is a common example?

SALUTATORIANS is among the common words in this set.