This week we’ve seen the root י.ד.ע
Plugging this root into the active-intensive verb form, we get ליידע
For example:
I wanted to inform you that I won’t be coming to the meeting.
That’s to inform in the purely informational sense. A very common synonym for ליידע is לעדכן
To inform in the political or tattle-tale sense is להלשין
For example:
It’s not nice to tell on other kids in your (the) class.