This is the 17584th most frequent Russian word.
трусов
"Трусов" in English means "cowards."
In this sentence, 'трусы' means 'underpants', referring to a piece of clothing.
Я купил новые трусы.
I bought new underpants.
In this sentence, 'трусов' means 'cowards', referring to people who are afraid.
Этот человек не для трусов.
This person is not for cowards.
In this sentence, 'трусов' again refers to 'underpants', indicating physical items in a collection.