Muslim- muslin
Iran and Iraq are countries. Their names are spelled the same except the last letter.
Peter is spelled Pierre in French. Last names are spelled the same except for some historical celebrities.
efts
The second last letter being "y" could indicate that the word is likely a noun or an adjective. There are numerous words that fit this criterion, so it's difficult to provide an exact number without more context.
Four letter words with the same first and last letter are:areaariaaquaaurabarbblabblobbulbchicdeaddeeddieddyedeaseeaveedgeelsefiefganggonggroghashhighhushkickkooklolllullmaimneonnoonnounoleoontoOreoorzoouzopeeppimpploppomppoopprepproppulppumprearroarsanssasssoustacttartteattauttenttesttextthattilttintToottorttouttrottufttwitwhew
Here are the five-letter words that have A as the last letter:AbacaAbakaAbayaAbomaAcetaAdytaAeciaAgamaAgitaAgoraAgriaAjivaAjugaAkelaAliyaAlohaAlphaAlulaAmebaAmigaAmniaAnimaAntraAortaApneaArecaArenaArepaAromaAsanaAsylaAtriaBabkaBaccaBaizaBalsaBandaBarcaBelgaBettaBiotaBoheaBoylaBravaBrazaBubbaBullaBunyaBurkaBurqaBursaBwanaCaecaCallaCannaCeibaCellaCeriaCestaChelaChicaChinaCholaChufaCiliaCircaCnidaCoalaCobiaCobraCocoaColzaCommaCongaCopraCoriaCostaCottaCruraCulpaCuppaCuriaDachaDaggaDeltaDermaDictaDoblaDobraDogmaDolmaDongaDonnaDorsaDoulaDoumaDouraDramaDuliaDumkaDurraEdemaEnemaEntiaEricaEtymaExtraFaciaFaenaFangaFatwaFaunaFellaFeriaFincaFloraFlotaFoliaFossaFoveaFrenaGaleaGambaGammaGanjaGardaGemmaGenoaGenuaGlebaGoniaGramaGranaGuavaGummaGuttaGyozaHaikaHalmaHalvaHamzaHansaHennaHermaHijraHollaHondaHookaHostaHuzzaHydraHyenaHyphaInfraIxoraJagraJnanaJuntaKalpaKappaKarmaKashaKhedaKiblaKoalaKoppaKormaKronaKurtaLabiaLabraLamiaLarvaLauraLehuaLemmaLeptaLianaLibraLimbaLimpaLingaLlamaLogiaLoofaLoumaLuffaLuteaLyceaLycraLyssaLyttaMafiaMagmaMambaMammaMangaManiaMannaMantaMariaMarkaMassaMatzaMbiraMeccaMediaMensaMentaMicraMikraMiliaMilpaMirzaMochaMoiraMommaMoolaMudraMullaMurraMuscaMyomaNairaNakfaNappaNinjaNoriaNubiaNuchaNyalaOcreaOidiaOmasaOmegaOperaOssiaOstiaPachaPaisaPaleaPampaPandaPangaParkaPashaPastaPennaPeplaPereaPhylaPietaPileaPinnaPintaPittaPizzaPlayaPlazaPlenaPlicaPodiaPolkaPoppaPresaPrimaPrutaPuckaPukkaPunkaPurdaQuotaRaitaReataRectaRediaRegmaRegnaRetiaRhytaRiataRiojaRuanaRumbaSabraSacraSaigaSalpaSalsaSambaSangaSaunaScenaSchwaScubaScutaSelvaSennaSensaSepiaSeptaShivaSiglaSigmaSignaSilvaSirraSoftaSortaSpicaSputaStelaStomaStriaStupaSulfaSummaSunnaSupraSurraSutraSuttaSylvaTablaTafiaTaigaTangaTankaTazzaTectaTeguaTeliaTeniaTergaTerraTeslaTestaTetraThecaThetaThujaThuyaTiaraTibiaTikkaTineaTongaTortaTronaTrymaTsubaUlamaUlemaUltraUmbraUnciaUrbiaUsneaUvulaVacuaVandaVariaVarnaVeenaVestaVigiaVillaVincaViolaVirgaVistaVittaVodkaVoilaVoltaVolvaVulvaWallaWiccaWirraWishaXeniaYentaYerbaYuccaYurtaZamiaZanzaZebra
Ohio
Iraq
The, who
in a YRANOITCID!
have
Nowitzki, Dirk (I think thats how its spelled).