▁eth nic ▁group ▁Ach u ar ▁forms ▁part ▁of ▁the ▁conj unction ▁of ▁the ▁Sh u ar ▁and ▁form ▁one ▁of ▁the ▁four ▁dialect ▁groups ▁that ▁const itute ▁the ▁lingu istic ▁family ▁of ▁the ▁Sh u ar ▁( A ch u ar , ▁Sh u ar , ▁Agu ar una ▁y ▁Hu amb isa ). ▁ ▁The ▁Ach u ar ▁speak ▁a ▁Sh u ar ▁language ▁and ▁Ach u ar - Sh i wi ar ▁language , ▁dialect s ▁of ▁the ▁J iv aro an ▁languages . ▁Ach u ar ▁Ch ich am ▁or ▁Ach u ar ▁are ▁related ▁to ▁other ▁languages ▁such ▁as ▁Sh u ar ▁Ch ich am ▁but ▁they ▁differ ▁greatly ▁with ▁the ▁Aw aj unt ▁language ▁( except ▁for ▁some ▁words ▁and ▁phr ases ). ▁For ▁this ▁reason , ▁some ▁research ers ▁believe ▁they ▁are ▁not ▁from ▁the ▁J iv aro ana ▁family . ▁In ▁the ▁Ach u ar ▁language , ▁there ▁are ▁only ▁four ▁v ow els : ▁a , ▁e , ▁i , ▁u . ▁The ▁' e ' ▁is ▁pron ounced ▁differently . ▁The ▁alphabet ▁consists ▁of ▁ 2 1 ▁letters ▁a , ▁aa , ▁ch , ▁e , ▁e e , ▁i , ▁ii , ▁j , ▁k , ▁m , ▁n , ▁p , ▁r , ▁s , ▁sh , ▁t , ▁ts , ▁u , ▁u u , ▁w , ▁y . ▁ ▁Religion ▁and ▁cosm ology ▁Sh aman ism ▁is ▁present ▁in ▁Ach u ar ▁l ifest yle ▁and ▁w itch craft