12-Letter Words Containing UST

There are 65 12-letter words that contain UST. 30 are common words, such as ACOUSTICALLY and AUGUSTNESSES. A rarer one is UNJUSTNESSES. In this set, I is the most frequent open letter (46 words). 21 words contain a doubled letter.

Full list 65

Common words

acousticallyaugustnessesblockbustersblockbustingbroncobustercausticitiescombustiblescrustinessescustomhousesdisgustinglyencrustationexhaustively
acousticallyaugustnessesblockbustersblockbustingbroncobustercausticitiescombustiblescrustinessescustomhousesdisgustinglyencrustationexhaustivelyfilibusteredfilibustererfrustrationshoneylocustsillustratingillustrationillustrativeillustratorsincrustationindustriallynoncustodialreadjustmentrobustnessesrusticationsrustproofingtrusteeshipstrustfulnessunaccustomedacousticiansjusticiarieslustrousnessmiddlebustersustainmentssustentationtrustinessesadjustmentalantitrustersbioacousticsblusteringlycustomshousedegustationsdisaccustomsdisgustfullyentrustmentsexhaustivityfustigationsinterclusterlangoustinesmaladjustivemisadjustingnoncustomersoutthrustingpustulationsreadjustablerobustiouslysemilustroussuperclustersustentativetrustabilitytrustbusterstrustingnessunderthrustsunjustnesses

About this list

Words
65 (30 common words)
Common example
acoustically
Rare example
unjustnesses
Doubled letters
21
Ending in S
32
Most frequent letter
I (46)

Questions

How many 12-letter words containing ust are there?

65. 30 of them are common words.

What is a common example?

ACOUSTICALLY is among the common words in this set.