HEART
The first four letters 'hear' refer to the function of the middle three letters, 'ear.'
The last three letters 'art' is stuff that you do.
A five-letter word that means "maybe" is "might."
Afar is a four letter word with f and a as the 2 middle letters in that order.
Some six letter words with FF in the middle are:wafflebafflebufferduffermufflepifflesufferduffelpuffindiffer
Daisy, something Lilly and daffodil are all white and yellow flowers.
pigpen
there is double letters in the middle of the each word
the word 'letter'?
tenet
misfit
hi
Burma and Syria
ell