why is a valid English word

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

Meanings

Adverb (NOT COMPARABLE)

(interrogative) For what cause, reason, or purpose.
(relative) For which cause, reason, or purpose.
• That's the reason why I did that.
(fused relative) The cause, reason, or purpose for which.
• That is why the sky is blue.

Noun (COUNTABLE)

Reason.
• A good article will cover the who, the what, the when, the where, the why and the how.
(UK dialect archaic) A young heifer.
Alternative form of wye.; The name of the Latin-script letter Y.

Interjection

(dated or literary) An exclamation used to express pleasant or unpleasant mild surprise, indignation, or impatience.
• Why, that’s ridiculous!    Why, how kind of you!

Verb

(intransitive transitive) To ask (someone) the question "why?".

why is a Scrabble valid word

why

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

why is an iScramble, QuickWords valid word

why

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

Same letters words (Anagrams)

• HWY

Same letters plus one

• HGWY
• HWYL
• HWYS
• WAHY
• WHEY
• WHYS
• WYCH
• WYTH
• YHBW
• YHWH
• YWHA

Same letters minus one

• HW
• HY
• WY
• YH
• YW