lurker is a valid English word

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

Meanings

Noun (COUNTABLE)

One who lurks.
(Internet slang) A user who observes a community rather than participating; someone who reads or takes advantage of content on a website, newsgroup, etc. but does not contribute.
• Antonym: poster
(archaic UK dialect) A small fishing-boat.

lurker is a Scrabble valid word

l1u1r1k5e1r1

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

lurker is an iScramble, QuickWords valid word

l1u2r3k4e5r6

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

Same letters words (Anagrams)

• none

Same letters plus one

• KNURLER
• KRULLER
• LURKERS

Same letters minus one

• LUKER
• LURER
• RULER