because is a valid English word

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

Meanings

Adverb (NOT COMPARABLE)

For the reason (that).
On account (of), for sake (of).
• My life is ruined because of you!
(by ellipsis) Used alone to refuse to provide a full answer a question begun with "why", usually taken as an anapodoton of the elided full phrase "Because I said so".

Conjunction

By or for the cause that; on this account that; for the reason that.
• I hid myself because I was afraid.
As is known, inferred, or determined from the fact that.
• It must be broken, because I pressed the button and nothing happened.
(obsolete) So that, in order that. (15th 17th c.)

Preposition

(colloquial internet slang) On account of, because of. (from 20th c. or before)
• He rejected me because revenge, I guess.

because is a Scrabble valid word

because

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

because is an iScramble, QuickWords valid word

because

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

Same letters words (Anagrams)

• BECUASE

Same letters plus one

• CAUBEENS
• CUBEAGES
• EBAUCHES
• SUCKABEE

Same letters minus one

• ABCEES
• ABUSEE
• CAUSEE