semi-palindrome

From the prefix "semi-" meaning "half" and "palindrome," indicating a partial or variant form of a palindrome.

1(linguistics) A word or phrase that forms a different word or phrase when its letters are reversed.
2(linguistics) A word or phrase in which a small portion is palindromic, while the rest is not.
3(genetics) A sequence of DNA that can be superimposed with its reverse complement.