There is no specific collective noun for knickers (or for underwear), in which case a suitable general collective noun is used. Some examples are a display of knickers, a package of knickers, a drawer of knickers, etc.
I've seen the term 'an embarrassment of underwear', so 'an embarrassment of knickers' will also work.
Shoal is a collective noun. It is the collective noun for fish. A shoal of fish.The collective noun is a mint of candies
There is no standard collective noun for a group of reflections. The noun 'reflection' is not a standard collective noun.
No, the noun lumber is not used as a collective noun. The collective noun for lumber is a stack of lumber.
No, the noun farm is not a collective noun.
No it is not a collective noun.
Shoal is a collective noun. It is the collective noun for fish. A shoal of fish.The collective noun is a mint of candies
There is no standard collective noun for a group of reflections. The noun 'reflection' is not a standard collective noun.
No, the noun lumber is not used as a collective noun. The collective noun for lumber is a stack of lumber.
No, the noun farm is not a collective noun.
No it is not a collective noun.
The collective noun is a series of explosions.
No, the noun land is not a collective noun. However, any noun can function is as a collective noun in a suitable context without being a designated collective noun.
No, games is not a collective noun. The collective noun for games is 'a compendium of games'.
The collective noun is an anthology of poetry.
The collective noun for 'wheat' is a sheaf of wheat.The collective noun for 'barley' is a crop of barley.
The collective noun is a drift of icebergs.
No, the noun 'kin' is not a collective noun.