selfsame is a valid English word

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

Meanings

Adjective (NOT COMPARABLE)

Chiefly preceded by the: precisely the same; the very same; the same not only in being similar but in being identical.
• Synonyms: Thesaurus:identical

Noun (COUNTABLE)

(archaic) Chiefly preceded by the: precisely the same person or thing.

selfsame is a Scrabble valid word

s1e1l1f4s1a1m3e1

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

selfsame is an iScramble, QuickWords valid word

s1e2l3f4s5a6m7e8

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

Same letters words (Anagrams)

• FAMELESS

Same letters plus one

• FLAMELESS
• FRAMELESS
• SELFMATES
• SELFNAMES
• SELFSAMES

Same letters minus one

• ALMESSE
• ALMSFEE
• FEASELS
• FEMALES
• MALESES
• MEASLES
• MESALES
• SALEEMS