ngôn ngữ không bị biến âm 
uninflected language [ ngôn ] : speech, word, expression; (colloquial) to speak
[ ngữ ] : (1) measure, limit, moderation; (2) despicable fellow
[ không ] : (1) no, not; (question tag); (2) air; (3) empty
[ bị ] : (1) bag, (knap)sack; (2) to suffer, undergo, experience, (suffering passive marker); (3) to prepare for in advance
[ biến ] : (1) to disappear, vanish; (2) to change, convert; variable; (3) catastrophe, disaster, calamity; (4) to spread, distribute
[ âm ] : (1) sound; (2) lunar; (3) Yin, female, negative, minus; (4) reading (of a Chinese character)
Most Common Compounds Set 1:
Most Common Compounds Set 2 :