Full Idea
Whether the words 'belief' and 'judgement' mean the same thing is a moot point. Traditionally, a judgement is the assent of mind to a proposition. If one thinks that all beliefs are propositional, then beliefs and judgements are the same thing.
Gist of Idea
If all beliefs are propositional, then belief and judgement are the same thing
Source
Ray Monk (Bertrand Russell: Spirit of Solitude [1996], Ch.19 n6)
Book Reference
Monk,Ray: 'Bertrand Russell: Spirit of Solitude' [Vintage 1997], p.533
A Reaction
If I think I have put a bit too much toothpaste on my brush, that strikes me as a non-propositional judgement, even though it could be spelled out as a proposition. But it also strikes me as a belief.