Words don't being with suffixes - by definition a suffix is at the end of a word. Ouster, superfluous.
Words with the suffix 'ous' are:ambidextrousambitiousamorousanalogousanonymousanxiousaudaciousautonomousbeauteousblasphemousbodaciousboisterouscadaverouscalciferouscallousPoopouscankerouscantankerouscapriciouscarboniferouscarnivorouscautiousconiferouscontagiouscontemporaneouscontemptuouscontiguouscontinuouscourageouscourteouscuriousdangerousdeleteriousdeliciousdeliriousdisastrousdisingenuousdolorousdubiousefficaciousenormousenviouserogenousextemporaneousfabulousfacetiousfactiousfactitiousfallaciousfamousfelicitousferrousfibrousfictitiousfilamentousflirtatiousfortuitousfractiousfrivolousfuriousgaseousgelatinousgenerousglamorousgloriousgorgeousgraciousgregariousharmonioushazardousheinoushideoushilarioushumorousimperiousimperviousincredulousindustriousinfamousinfectiousingeniousinjuriousinnocuousinsidiousinstantaneousjealousjoyousjudiciouslaboriouslasciviousluminouslusciousluxuriousmagnanimousmaliciousmarvelousmelodiousmeticulousmiraculousmomentousmonogamousmonstrousmucousmysteriousnacreousnauseousnebulousnefariousnervousnotoriousnumerousobliviousobnoxiousobviousodiousodorousofficiousoleaginousomnivorousonerousoviparousperilouspestiferousPhosphorouspiouspoisonouspolygamouspolymorphouspompousponderousporousportentouspreciousprecociousrapturousravenousrendezvousridiculousrighteousrigoroussalaciousscandalousserioussiliceoussimultaneousslanderousspaciousstertorousstrenuoussulfuroussuperfluoussuperstitioussuspicioussynonymoustenacioustenuoustortuoustraitoroustreacheroustremendousubiquitousunanimousunscrupulousvariousvenomousverminousvicariousviciousvictoriousvivaciousvoluminouswondrouszealous
The suffix is 'ous'
Ah, the suffix of "gracious" is "-ous." Just like how a painter adds gentle brushstrokes to a masterpiece, the suffix "-ous" adds a touch of elegance and describes something full of grace and kindness. Keep exploring words like this, and you'll create a beautiful vocabulary garden to enjoy.
There is no prefix for vigor.
The suffix is -ous here.
The suffix for tedious is -ous.
The suffix for mountain is "-ous".
The suffix of virtuous is -ous.
the suffix is -ous
The suffix of "ridiculous" is -ous.
The suffix of prosperous is -ous.
The suffix of "envious" is "-ous."