- Hand back
- Hand down
- Hand out
- Hand over
- Hang in
- Hang on
- Hang out
- Hold back
- Hold on
- impact on
- improve on
- inject on
- insist on
- interfere with
- invest in
- invite in
- invite out
- invite over
- iron out
- itching for
- jack up
- jam into
- jazz up
- jerk around
- Join up / Join in
- joke around
- Jot down
- juice up
- jump at
- jump in
- jump up
- keep around
- keep at
- Keep away
- keep back
- keep down
- keep from
- keep her fingers crossed
- keep off
- Keep on
- key in
- key in on
- kick around
- kick back
- kick in
- kick off
- kick out
- kiss up to
- knock off
- knock over
- knock over / out
- knock up
