Common words:
* hen (a female bird, especially a domestic fowl)
* henhouse (a building where hens are kept)
* henpecked (dominated by one's wife)
Less common words:
* henbane (a poisonous plant)
* henchman (a trusted follower)
* hen party (a party for women)
* henna (a dye made from a tropical shrub)
* hennery (a place where hens are kept)
* hen-hearted (timid or cowardly)
Slang or informal words:
* hen party (a bachelorette party)
* hen fruit (eggs)
Let me know if you'd like me to explore any of these words further!