1. too, adverb
- excessive, more than (a negtive way of thinking)
- there is too much
- very (positive, with smiley)
- you are too kind
- as well (in addition, additionally)
- He likes cake and I like it too
2. so, adverb/conjunction
- extent (how much)
- she moved so quietly nobody noticed.
- extremely (emphasis), like too, excessive
- the soup was so hot I had to leave it and and eat it an hour later.
- conjunction, therefore/thus
- I wasn't feeling well, so I had to go to the doctor.
- truth, think
- I think so.