Confusive ..

Bonjour people !!
Here are some words which have really got me confused lately…Hope you can help me with them.

1- Intense
2- restrain
3- aside
4- rejuvenate
5- modest

It would be helpful…If you can guide me through examples.

Have you looked in a learners’ dictionary, PB?
oxfordadvancedlearnersdictio … ?cc=global