9-Letter Words Matching ____S_A__

There are 166 9-letter words that match ____S_A__. 77 are common words, such as AEROSPACE and AMBUSCADE. A rarer one is WAVESHAPE. In this set, E is the most frequent open letter (100 words). 46 words contain a doubled letter.

Full list 166

Common words

aerospaceambuscadeamnesiacsassistantbackseatsbackslashbackspacebackstagebackstairbandstandbeanstalkboatswain
aerospaceambuscadeamnesiacsassistantbackseatsbackslashbackspacebackstagebackstairbandstandbeanstalkboatswaincardsharpclassmatecoleslawscornstalkcoruscatecroissantcrossbarscrosswalkcrosswaysdevastatedoomsdaysdownscaledownstagedownstatefeldsparsflagstafffoolscapsforestallglasswaregrasslandgrubstakehandshakehandstandhardstandheadstallheadstandhemostatsincessantintestacyintestatekickstandlampshadelandscapeleafstalklegislateloadstarslodestarsloveseatsmainstaysmilkshakemoonscapenecessarynewsstandobfuscateovershareoverstateoverstayspedestalspikestaffplowsharepolestarsreinstateresistantrheostatsrickshawssalesladyshipshapetalismanstimescaletranslateuninstallwaitstaffwashstandwingspanswithstandlifespansreinstalltimestampbackslapsbackstaysbookstackbookstallbookstandbrasswarecityscapecockswaincrosshaircrossjackcrosstalkcryostatsdecussatedigestantdrawshaveecdysiasmecdysiastfootstalkfootstallforeshankforestageforestaysfrogspawnhawkshawsheadscarfinfuscatejackshaftkickshawskickstartlimescalemegastarsmineshaftoverscaleoversharpoverstaffpressmarkprussiatepyrostatstimesharetownscapetungstatewhipstallwolfsbaneworkspaceaccessaryaerostatsantisharkantistateaphasiacsappestatsarrestantbackstabsberascalsbioassayscalcsparschiasmatacookshackcoruscantcowlstaffcroustadedomesdaysembassagegyrostatsheadspaceheadstayshomestaysinfestantjackstaysjanissarylangshanslotuslandmelismatamesoscaleministatemisassaysoversoakspadishahsrepassagerockshaftrousseaussandsoapssnowscapetearstainvanaspativasospasmwaveshape

About this list

Words
166 (77 common words)
Common example
aerospace
Rare example
waveshape
Doubled letters
46
Ending in S
47
Most frequent letter
E (100)

Questions

How many 9-letter words matching ____s_a__ are there?

166. 77 of them are common words.

What is a common example?

AEROSPACE is among the common words in this set.