yourself is a valid English word

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

Meanings

Pronoun

(reflexive pronoun) Your own self (singular).
• Be careful with that fire or you'll burn yourself.
You (singular); used emphatically, especially to indicate exclusiveness of the referent's participation in the predicate, i.e., that no one else is involved.
• You yourself know that what you wrote was wrong.

yourself is a Scrabble valid word

y4o1u1r1s1e1l1f4

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

yourself is an iScramble, QuickWords valid word

y1o2u3r4s5e6l7f8

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

Same letters words (Anagrams)

• none

Same letters plus one

• FERULOYLS
• PROFUSELY
• YOURSELFS

Same letters minus one

• ELUSORY
• FLEURYS
• FLOREYS
• FOULERS
• OURSELF
• REFOULS
• YORSELF
• YOUSELF