gigannum is a valid English word

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

Meanings

Noun (COUNTABLE)

Rare form of giga-annum. (gigayear, a billion years)

gigannum is not a Scrabble valid word

g2i1g2a1n1n1u1m3

• International English (Sowpods) - The word is not valid in Scrabble ✘
• US English (TWL06) - The word is not valid in Scrabble ✘
• 12 points

gigannum is not an iScramble, QuickWords valid word

g1i2g3a4n5n6u7m8

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

Same letters words (Anagrams)

• none

Same letters plus one

• GIGAANNUM
• GIGANNUMS
• GONANGIUM
• GUNMAKING

Same letters minus one

• GAUMING
• MANGING
• MUNGING
• NGUGIAN
• UNAGING