CHAT, somewHAT, ManHATtan- all those include the word HAT.
Please prepare a list of words such that word(n) has n letters (n>3) and includes the string HAT in it.
Rem 1: all goes (proper names, slang, abbreviations etc), except the samples mentioned above.
Rem 2: explaining esoteric entries is appropriate.
Rem 3: For the uninitiated solvers: the title refers to 8 previous hats (My two hats, Three more hats, Three more hats II & The mad hatter).