The article discusses Lai and Mizo, the Tibeto-Burman languages primarily spoken in areas of Chin State, Myanmar and Mizoram State, India. Long vowels with a circumflex accent are featured in Mizo, while Lai sometimes use a doubled vowel letter. Verb stem alternation is exhibited in both languages. Included are examples of further conditions on verb stem alternation. A human object or an abstract object or both may be taken by the transitive verbs ngaidam in Mizo and ngaithiam in Lai.