Wiktionary
isnae
contraction (contraction of is not English)
Usage examples of "isnae".
An', o' course, should Wee Jock hisself be taken back to the Last World then I'll get the name o' Wee Jock, which isnae to say that I mislike the name o' No'-as-big-as-Medium-Sized-Jock-but-bigger-than-Wee-Jock-Jock, ye ken.
It's no' your fault the mark o' Cain isnae on yer broo this day -- a beast, that's whit ye are, Flashman, a ragin', evil beast!