From the /posts documentation:

Most applications should use the question or answer specific methods, but /posts is available for those rare cases where any activity is of intereset.

intereset => interest

From /posts/{ids}/suggested-edits :

Returns suggsted edits on the posts identified in ids.

suggsted => suggested

From /questions/{id}/flags/add:

Casts a flag (including "close votes) against the question identified by id.

The double quote isn't terminated, I assume "close votes" was meant.

From /questions:

This is an and contraint,

(emphasis not mine; the typo is in the word constraint)