alt Hacker NewsIt would be a good habit to check (for example on the Wiktionary – I have a Chrome search keyword dedicated to that) because those are not the only differences.
fulfill vs. fulfil
judgment vs. judgement
disk vs. disc (https://en.wiktionary.org/wiki/disk#Usage_notes)
hiccup vs. hiccough
diarrhea vs. diarrhoea
>judgment vs. judgement
In British English "judgment" without the 'e' is generally only used for talking about judicial rulings, whereas most other uses of the word contain the 'e'.