mudsill is a valid English word

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

Meanings

Noun (COUNTABLE)

The lowest sill of a structure, usually placed in or on the ground.
(figuratively) A particularly low or dirty place/state; the nadir of something (see rock bottom)
• The Pre-Historic Era was the mudsill of human development.
(dated southern US) A person of low status or humble provenance.

mudsill is a Scrabble valid word

mudsill

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

mudsill is not an iScramble, QuickWords valid word

mudsill

• The word is not valid in iScramble ✘
• The word is not valid in QuickWords ✘
• 00 points

Same letters words (Anagrams)

• MULLIDS

Same letters plus one

• LIMULIDS
• MILLDUST
• MUDSILLS
• SEMIDULL

Same letters minus one

• MULIDS
• MULLID