mortmain is a valid English word

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

Meanings

Noun (USUALY UNCOUNTABLE)

(legal) The perpetual, inalienable possession of lands by a corporation or non-personal entity such as a church.
(literary) A strong and inalienable possession.

mortmain is a Scrabble valid word

m3o1r1t1m3a1i1n1

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

mortmain is an iScramble, QuickWords valid word

m1o2r3t4m5a6i7n8

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

Same letters words (Anagrams)

• MARMITON

Same letters plus one

• MARMITONS
• MARMOTINE
• MATRIMONY
• MATRONISM
• MIRAUMONT
• MORTMAINS
• ROMANTISM

Same letters minus one

• MARTINO
• MINORAT
• OMMATIN
• TORMINA