either is a valid English word

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

Meanings

Determiner

Any one (of two).
• You can have it in either colour.
Each of two; both. (from 9th c.)
• There is a locomotive at either end of the train, one pulling and the other pushing.
(now rare) Any one (of more than two).

Pronoun

One or the other of two people or things.
• He made me two offers, but I did not accept either.
(obsolete) Both, each of two or more.

Adverb (NOT COMPARABLE)

(conjunctive after a negative) As well.
• I don't like him, and I don't like her either.

Conjunction

Introduces the first of two (or occasionally more) options or possibilities, the second (or last) of which is introduced by “or”.
• Either you eat your dinner or you go to your room.

either is a Scrabble valid word

either

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

either is an iScramble, QuickWords valid word

either

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

Same letters words (Anagrams)

• ETHIER
• THEIRE

Same letters plus one

• DIETHER
• EARTHIE
• ENHERIT
• ERETHIC
• ETHERIC
• ETHERIN
• ETHIERS
• HEFTIER
• HEISTER
• HERETIC
• HETERIC
• HIEBERT
• HIESTER
• IRELETH
• KEERTHI
• NEITHER
• PRITHEE
• REINETH
• RELIETH
• TECHIER
• THEILER
• THEREIN
• THERIEN
• THIEVER
• TRIHEME

Same letters minus one

• EHRET
• ERITH
• ETHER
• HEIER
• HEIRE
• HETER
• HIREE
• REETH
• REITH
• RETHE
• RETIE
• RIETH
• RITHE
• TEHRI
• THEER
• THEIR
• THERE
• THIER
• THREE
• TIREE