$ grep -r -i -e "favorite" src | wc -l
174
$ grep -r -i -e "favourite" src | wc -l
3
$ grep -r -i -e "color" src | wc -l
1216
$ grep -r -i -e "colour" src | wc -l
6
$ grep -r -i -e "analyze" src | wc -l
5
$ grep -r -i -e "analyse" src | wc -l
4
$ grep -r -i -e "dialog" src | wc -l
137
$ grep -r -i -e "dialogue" src | wc -l
0
All other words with different...