c ▁N gu y ễ n ▁V ă n ▁N gu y ễ n ▁Qu ang ▁N gu y ễ n ▁X u ân ▁N gu y ễ n ▁H uy ▁N gu y ễ n ▁Ho à ng ▁T ô n ▁Th ấ t ▁( T ô n ▁N ữ ▁for ▁females ): ▁S urname ▁for ▁members ▁of ▁the ▁N gu y ễ n ▁D ynast y ▁royal ▁family ▁that ▁were ▁not ▁direct ▁descend ants ▁of ▁the ▁Emperor . ▁ ▁Pr on unci ation ▁▁ ▁The ▁Vietnam ese ▁pron unci ation ▁is ▁ ▁in ▁northern ▁dialect ▁or ▁ ▁in ▁southern ▁dialect , ▁in ▁both ▁cases , ▁in ▁one ▁sy ll able . ▁ ▁is ▁the ▁vel ar ▁nas al ▁found ▁in ▁the ▁middle ▁of ▁the ▁English ▁word ▁“ sing er ”. ▁Un like ▁in ▁Vietnam ese , ▁the ▁con son ant ▁is ▁never ▁found ▁in ▁initial ▁position ▁in ▁English . ▁ ▁is ▁the ▁sem iv owel ▁found ▁in ▁the ▁English ▁word ▁“ win ”. ▁ ▁is ▁a ▁rising ▁di ph th ong . ▁Its ▁sound ▁of ▁this ▁di ph th ong ▁is ▁similar ▁to ▁the ▁di ph th ong ▁ ▁found ▁in ▁British ▁English ▁Rece ived ▁Pr on unci ation ▁in ▁the ▁word ▁“ ear ”. ▁Finally , ▁ ▁occurs ▁in ▁the ▁English ▁word ▁“ net ”. ▁ ▁However , ▁N gu y ễ n ▁is ▁also ▁pron ounced ▁with ▁a ▁tone ▁in ▁Vietnam ese . ▁In ▁Southern ▁Vietnam , ▁N gu y ễ n ▁is ▁pron ounced ▁with ▁the ▁di pping