Exterior
Part of speech: noun
Definition: the outside part, parts or surface of something. foreign lands
Part of speech: adjective
Definition: relating to the outside parts or surface of something being from outside a country, foreign outdoors
Example sentence: Acting tough is all about developing an attitude and a persona that says, 'Look at how great I am.' But often, that tough exterior is meant to hide self-doubt. Mentally strong people invest more energy into working on their weaknesses rather than trying to cover them up.
Outdoor
Part of speech: adjective
Definition: Situated in, designed to be used in, or carried on in the open air.
Example sentence: I really enjoy taking an outdoor shower.