4 letters
- nick12
- nide6
- nigh9
- nine6
- nite5
- nixe12
- noir5
- nori5
- nude7
- nuke10
- nurd7
- nurl7
- once8
- ouch10
- pech12
- pein8
- peri7
- pice10
- pier7
- pine8
- pirn8
- puce11
- pure8
- puri8
- quin15
- race7
- rain5
- rani5
- reck11
- recs7
- reif7
- rein5
- reis4
- rend6
- rent5
- resh6
- rhea6
- rhus7
- rice7
- rich9
- rick11
- ride5
- riel5
- rife7
- rile5
- rime7
- rind6
- ring7
- rink9
- rins5
- ripe7
- rise4
- rite4
- rive8
- roue5
- rube8
- ruck12
- rude6
- rued6
- ruer5
- rues5
- ruin6
- rule6
- rune6
- rung8
- runs6
- runt6
- ruse5
- rush7
- ruth7
- shin7
- shri6
- shun8
- sice7
- sine5
- sinh7
- sire4
- such10
- suer5
- sure5
- tern5
- then7
- thin7
- thir6
- thru7
- tier4
- tine5
- tire4
- true5
- tune6
- turn6
- unai6
- unbe9
- unci9
- unco9
- unde7
- unit6
- urea5
- urge7
- uric8
- urns6
- user5
- vein9
- vice11
- vier8
- vine9
- weir7
- when10
- whin10
- whir9
- wich12
- wine8
- wire7
- wren8
- yech11
- yuch12
- zein14
- zinc17