Sash is a related term of collar.
In lang=en terms the difference between sash and collar
is that
sash is to adorn with a sash or scarf while
collar is to roll up (beef or other meat) and bind it with string preparatory to cooking.
As nouns the difference between sash and collar
is that
sash is a decorative length of cloth worn as a broad belt or over the shoulder, often for ceremonial or other formal occasions or
sash can be the opening part of a window usually containing the glass panes, hinged to the jamb, or sliding up and down as in a sash window while
collar is anything that encircles the neck.
As verbs the difference between sash and collar
is that
sash is to adorn with a sash or scarf while
collar is to grab or seize by the collar or neck.