Here is a list of Spanish words that start with bar:
baraca, barafunda, barahustar, baraja, barajada, barajador, barajadora, barajadura, barajar, baraje, barajustar, baranda, barandado, barandaje, barandal, barandilla, barangay, barata, baratador, baratadora, baratamente, baratar, baratear, baratera, baratero, baratija, baratillera, baratillero, baratillo, baratista.
barato, baratona, baratura, baraustada, baraustado, baraustador, baraustar, barauste, barba, barbacana, barbacoa, barbada, barbadamente, barbado, barbaja, barbajuelas, barbar, barbaresca, barbaresco, barbaria, barbaridad, barbarie, barbarismo, barbarizante, barbarizar, barbarota, barbarote, barbastrense, barbastrina, barbastrino, barbato, barbaza, barbear, barbechada, barbechar, barbechera, barbecho, barbera, barberil, barbero, barberol, barbeta, barbiana, barbiblanca, barbiblanco, barbicacho, barbicana, barbicano, barbiespesa.
barbiespeso, barbihecho, barbijo, barbilindo, barbilla, barbillera, barbilucio, barbiluenga, barbiluengo, barbimorena, barbimoreno, barbinegra, barbinegro, barbiponiente, barbipugente, barbipungente, barbiquejo, barbirralo, barbirrapada, barbirrapado, barbirroja, barbirrojo, barbirrubia, barbirrubio, barbirrucia, barbirrucio, barbitonta, barbitonto, barbo, barboquejo, barbotar, barbote, barboteadura.
barbotear, barboteo, barbucha, barbuda, barbudo, barbulla, barbullar, barbullido, barbullona, barbuquejo, barbusano, barca, barcada, barcaje, barcal, barcarola, barcaza, barcelona, barcelonesa, barcena, barceno, barceo, barchilla, barchilona, barcia, barcina, barcinador, barcinar, barcino, barcinonense, barco, barcolongo, barcoluengo, barcote, barda, bardada, bardado.
bardaguera, bardaja, bardaje, bardal, bardana, bardanza, bardar, bardiota, bardiza, bardo, bardoma, bardomera, baremo, baria, baril, bario, barisfera, barita, baritel, baritina, barjuleta, barloa, barloar, barloventear, barlovento, barnabita, barnacla, barniz, barnizador, barnizadora, barnizar, baronesa.
baroto, barpirrapado, barquear, barqueo, barquera, barquero, barqueta, barquete, barquichuelo, barquilla, barquillera, barquillero, barquillo, barquinazo, barquinera, barquino, barra, barrabasada, barraca, barrachel, barrada, barrado, barragana, barraganada, barraganete, barral, barranca, barrancal, barranco, barrancosa, barrancoso, barranquera, barraque, barraquera, barraquero, barraquillo, barrar, barreal, barrear, barrearse, barreda, barredera, barredero, barredor, barredora.
barreduela, barredura, barrena, barrenado, barrenar, barrendera, barrendero, barrenero, barrenillo, barreno, barrer, barrera, barrero, barreta, barrete, barretear, barretero, barretina, barriada, barrial, barrica, barricada, barrida, barrido, barriga, barrigona, barriguda, barrigudo, barriguera, barril, barrila, barrilaje, barrilamen, barrilejo, barrilero.
barrilete, barrilla, barrillar, barrillera, barrillero, barrillo, barrio, barriosa, barrioso, barriscar, barrisco, barrista, barrito, barrizal, barro, barroca, barrocho, barroco, barroquismo, barrosa, barroso, barrote, barrueco, barrumbada, barrunta, barruntador, barruntadora, barruntamiento, barruntar, barrunte, barrunto, bartola, bartolillo, bartolina, bartulear, bartuleo, baruca, barullera, barullero, barullo, barza, barzal, barzonear
Hope this list of Spanish words that start with bar was helpful. In addition to the Spanish words that begin with bar found on this page, this site contains many other lists of Spanish vocabulary words starting with various letters which may be useful for learning the language.