-able/-ible (can be)
-able, -ible
Can be done; able to be.
This small charger is portable, so Sana carries it everywhere.
Readable
Easy or possible to read.
Fatima's handwriting is neat and readable.
Visible
Able to be seen.
The stars were clearly visible from the village.
Remember: -able is far more common, often after a whole word (readable, washable). -ible often follows a part-word (visible, terrible). Not a perfect rule; check doubtful ones.