ALTERED STATES I

In this type of puzzle, a two-letter U.S. state abbreviation in a word  is replaced by the abbreviation of a different state. The two-letter abbreviation may occur anywhere in the word. For example,

SPA - SKY
PROVIDE - PROVOKE

In the flat below, the abbreviations occur at the beginning of the words.

Pulling Santa's bright red sleigh,
Santa's reindeer _ _ _ _ _ _  away.
Sadly, snow and sleet shall stay
'Til _ _ _ _ _ _'s last and final day.

HINT:
First answer: Horse's gait

Answers:

CANTER
WINTER 

Credit:
The Enigma
January, 2020
BROBBERTY