napper is a valid English word

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

Meanings

Noun (COUNTABLE)

A person who takes a nap.
(slang) The head.
• Synonym: Thesaurus:head
(obsolete) A machine used to raise the nap on cloth.

napper is a Scrabble valid word

n1a1p3p3e1r1

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

napper is an iScramble, QuickWords valid word

n1a2p3p4e5r6

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

Same letters words (Anagrams)

• PAPERN
• PARPEN
• RAPPEN

Same letters plus one

• KNAPPER
• NAPPERS
• NAPPIER
• PARPEND
• PARPENS
• PARPENT
• PARSNEP
• PREPLAN
• PREPUNA
• PRESNAP
• PROPANE
• SNAPPER
• UNPAPER

Same letters minus one

• ARPEN
• NAEPP
• NAPER
• NAPPE
• PAPER
• PAREN
• PERNA
• RAPPE