triennium is a valid English word

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

Meanings

Noun (COUNTABLE)

A period of three years.
• Coordinate terms: annum, biennium, quinquennium, sexennium, septennium, octennium, novennium, decennium, centennium, quincentennium, millennium, decamillennium, centimillennium, millionennium

triennium is a Scrabble valid word

triennium

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

triennium is an iScramble, QuickWords valid word

triennium

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

Same letters words (Anagrams)

• NITRENIUM

Same letters plus one

• ANTIMURINE
• MUNITIONER
• NITRENIUMS
• REMUNITION
• TRIENNIUMS
• UNMERITING
• UNMITERING

Same letters minus one

• MUNIRITE
• NEURITIN