Womenfolk means the women of a particular family, village, or community, spoken of together — "the men went out to fish while the womenfolk stayed behind", "he sent money home to his womenfolk". It is always plural and takes a plural verb; there is no "a womenfolk". Two things give the word its flavour. First, it is old-fashioned and rural, the language of farming villages and of stories set in the past, so a modern office worker would never use it about colleagues. Second, and more importantly, it usually looks at the women from the men's side — "his womenfolk" means the women belonging to his household. That possessive feeling is why the word can sound uncomfortable today; it quietly treats women as part of a man's world. It pairs with menfolk, and modern speakers use both mainly for humour or a deliberate old-time tone. Note the difference from womankind, which means all women everywhere: womenfolk is a local group you can point to.