Yes, untack is a Scrabble word!

What Scrabble words can I make with the letters in untack?

4 Letter Words

• aunt
• cant
• cunt
• kuna
• tack
• tank
• tuck
• tuna

3 Letter Words

• act
• ant
• auk
• can
• cat
• cut
• kat
• nut
• tan
• tau
• tun
• uta

2 Letter Words

• an
• at
• ka
• na
• nu
• ta
• un
• ut

Words that can be created with an extra letter added to untack:

More words that can be made using the letters in untack: