How many points is OPSONIN worth in Scrabble?

OPSONIN is worth 9 Scrabble points before board bonuses.

Which dictionaries accept OPSONIN?

OPSONIN is valid in NWL2023 (US) and valid in CSW24 (International).

In CSW24 (International), adding one letter at the front or back makes OPSONINS. Board placement and cross-words must also be legal.

Scrabble

Scrabble Dictionary

9 pts

OPSONIN is a valid Scrabble word in CSW24 (International). It scores 9 points. OPSONIN means "constituent of blood serum".

noun

Valid CSW (UK) Scrabble Word

constituent of blood serum

Check the Scrabble meaning of OPSONIN. It scores 9 points.

Add one letter after OPSONIN. Every word is valid in CSW24 (International).

Up to 12 highest-scoring shorter words using only the letters in OPSONIN, without blank tiles.

= 9

Is OPSONIN a Scrabble word?: OPSONIN is a valid Scrabble word in CSW24 (International). It scores 9 points.
How many points is OPSONIN worth in Scrabble?: OPSONIN is worth 9 Scrabble points before board bonuses.
Which dictionaries accept OPSONIN?: OPSONIN is valid in NWL2023 (US) and valid in CSW24 (International).
Can you add a letter to OPSONIN?: In CSW24 (International), adding one letter at the front or back makes OPSONINS. Board placement and cross-words must also be legal.