The root of all the words is:

j – m – l

ج – م – ل

This root j – m – l conveys the idea of beauty. Here are the English equivalents for these words.

جميل jameel beautiful (masc.)

جميلة jameela the name for a woman (‘the beautiful one’)

أجمل ajmal more beautiful

جمال jamaal  beauty

تجميل tajmeel makeup, beautification

مجاملة mujaamala compliment

And finally …

جمل jamal camel

You might not believe it, but it is true: The camel is considered such a beautiful animal in Arab culture that its name consists of the root j-m-l, too.