As a noun fieldmouse is
.
doormouse
Not English
Doormouse has no English definition. It may be misspelled.
English words similar to 'doormouse':
dormouse,
drainage,
dreamscape,
drinkable,
drinkware,
durangite,
drunklike,
dwornikite,
duranusite,
dronkelewe,
drownage,
drengage