No, not all words that end in -ar, -er, and -ir are infinitives. Infinitives are the base form of a verb, usually preceded by "to." For example, "to sing" is an infinitive. These endings can also be found in various verb conjugations in different tenses and moods.
Boar Roar Soar
car,far,solar,molar,boar,soar,
Perhaps other Spanish words that end with -ar. cantar
Some words that can be formed with AR:ArcadeArchaicArcherArcheryArchArchiveArcticArdentArdorAreAren'tArgonArgotArgyleArmorArmageddonArmArmyArrangeArrangementArrayArrhythmiaArrestArrowArsenalArsonArteryArthritisArtichokeArticleArticulateArtificialArtistArtsyArtSome words that have AR in them:AlarmBareBarCareCarpetCarCartCharmCharChartDareDartDearthEarnEarEarthFareFarmFarFearGarGearHareHarmHartHearHeartJargonJarLargeLarkLearnMarchMareMarginalMargeMarkMarrowNarcNarrowNearOarParePartPartyPearQuarterQuartetQuartRareRearShareSpareStareTareTarpTearVariantVarietyWareWearYardYarnYear
or is usually masculine mostly used in profession ir usually indicates that verb is in third category ar usually indicates that verb is in first category
"Ir" is one of the three endings for Spanish verbs, the others being "ar" and "er".
Madeinox-BRIC-AR Canelas ended its activities in 2019.
trabajar
buttcheek
Nneka - Heartbeat
appearbeggarboxcarbursarcollarcougardollarguitarhangarmortarpillartartaruproarvulgar