eighteenth is a valid English word

Scrabble validity: valid ( international - Sowpods, US - Twl06 )
iScramble validity: valid
QuickWords validity: valid

Meanings

Adjective

The ordinal form of the number eighteen.

Noun (COUNTABLE)

The person or thing in the eighteenth position.
One of eighteen equal parts of a whole.
(informal) A party to celebrate an eighteenth birthday.

eighteenth is a Scrabble valid word

eighteenth

• International English (Sowpods) - The word is valid in Scrabble ✔
• US English (TWL06) - The word is valid in Scrabble ✔
• 00 points

eighteenth is an iScramble, QuickWords valid word

eighteenth

• The word is valid in iScramble ✔
• The word is valid in QuickWords ✔
• 00 points

Same letters words (Anagrams)

• none

Same letters plus one

• EIGHTEENTHS
• EIGHTTEENTH
• HEIGHTENEST
• HEIGHTENETH

Same letters minus one

• EIGHTTEEN