Some five letter words with A as the fourth letter:
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agentagonyaloneamongarenabarnsbeansbeingblankblindblondboundbrandbunnychantchinacoinscountcranecrankdeansdoingdrankdrinkdrunkdyingearnsebonyeventfaintflankflintfoundfrontfunnygiantgoinggownsgrandgrantgrunthaunthornshoundhyenahymnsicingiconsironyjauntjeansjointkilnslawnslienslionsloanslyingmeansmeantmoansmoonsmoundmountnannynounsovensowingpaintpawnspennyphonepianoplanepointpoundprintrainyrhinoroundsaintsaunasceneshineskunksoundspentstandstoneteensthanktownstrunktwinetwinsusingveinswhinewoundwrongyarnsyoung
usher
cheatcigarclearcreamdreamgroanradarrepayscrapshearspeaksteamstrap
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burstboastbrassblessblissblastceasecurseclosechasechesscoastdenseflossgoosegrassgorsehousehorseleaseloosemoosemousenooseprosepursepressrinseroastteasetenseverseworsehope this helped
agentagonyaloneamongarenabarnsbeansbeingblankblindblondboundbrandbunnychantchinacoinscountcranecrankdeansdoingdrankdrinkdrunkdyingearnsebonyeventfaintflankflintfoundfrontfunnygiantgoinggownsgrandgrantgrunthaunthornshoundhyenahymnsicingiconsironyjauntjeansjointkilnslawnslienslionsloanslyingmeansmeantmoansmoonsmoundmountnannynounsovensowingpaintpawnspennyphonepianoplanepointpoundprintrainyrhinoroundsaintsaunasceneshineskunksoundspentstandstoneteensthanktownstrunktwinetwinsusingveinswhinewoundwrongyarnsyoung
usher
after, alder, adder
boundcoinscornycountdoingfoundgoinghoundjointloansmoonsnounspointpoundroundsoundyoung
snout
their thain