覗く, 覘く, 窺く, 臨く, のぞく
1. to peek (through a keyhole, gap, etc.)
2. to look down into (a ravine, etc.)
3. to peek into (a shop, bookstore, etc.)
4. to sneak a look at, to take a quick look at
5. to peep (through a telescope, microscope, etc.)
6. to stick out (a scarf from ...
tbd