Is PROTHALLIUM a valid Scrabble word?
Yes, PROTHALLIUM is a valid word in US Scrabble and UK Scrabble, worth 18 points.
Base score before bonus squares; blank tiles score zero.
Points
18
Scrabble
22
Words With Friends
11
Letters
P (3) + R (1) + O (1) + T (1) + H (4) + A (1) + L (1) + L (1) + I (1) + U (1) + M (3) = 18 points in Scrabble.
Dictionary status
- Scrabble (US & Canada)Valid
- Scrabble (UK & worldwide)Valid
- Words With FriendsListed
Scrabble lists: NWL2023 (US & Canada) and CSW24 (UK & worldwide). WWF uses our ENABLE reference plus verified additions. “Listed” and “Not listed” describe that reference; check acceptance in the game. Sources reviewed 2026-10-03.
Definition
Looking for what Prothallium means? Read the full definition, part of speech and example sentences on Wiktionary.
See the definition of ProthalliumHooks for PROTHALLIUM
PROTHALLIUM has no one-letter front or back hooks in US Scrabble. Adding a single letter to either end does not make another word in that list.
Front hooks0
None — nothing can be added to the front.
Back hooks0
None — nothing can be added to the end.
Words you can make from PROTHALLIUM
The 60 highest-scoring words using these letters.
- triumphal16
- philtrum15
- multipolar14
- prothalli14
- morphia14
- omphali14
- triumph14
- thallium13
- ultrahip13
- hilltop12
- humoral12
- philtra12
- thorium12
- morph12
- thump12
- lamplit11
- marplot11
- optimal11
- pallium11
- primula11
- protium11
- hamuli11
- mahout11
- mohair11
- mollah11
- mullah11
- phalli11
- prutah11
- rupiah11
- thairm11
- thiram11
- uphill11
- hump11
- umph11
- troupial10
- urolith10
- armpit10
- impart10
- import10
- lipoma10
- lumpia10
- optima10
- primal10
- rumpot10
- haulm10
- hilum10
- humor10
- ihram10
- mirth10
- mohur10
- mouth10
- mutha10
- phial10
- prahu10
- ralph10
- tharm10
- thorp10
- thrip10
- thrum10
- tophi10
Study PROTHALLIUM and related words
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