that is not possible for the English language
in
No.
One seven letter word, One two letter word and a five letter word, One three letter word and a four letter word, One three letter word and two two letter words, Two three letter words, Three two letter words, A two letter word and a four letter word, A six letter word, A two letter word and a three letter word, A five letter word, Two two letter words, A four letter word, A three letter word, or A two letter word.
eek
eels
giggling, rejigger
One word is Madam.
There are two English words that meet the criteria: dermatoglyphics, uncopyrightable
Dumdum.
engaged
appetite, arrivals
broomstick