Scoundrel
The definition of "knave" is "a dishonest or unscrupulous man". It would therefore be very rude to call someone a "knave". However "knave" is also the name given to one of the face cards in a pack of cards eg "the knave of spades" . So using the word "knave" to describe this card is perfectly OK.
The word 'knave' is a noun which describes a 'dishonest' or 'unscrupulous' man. A knave is also the name given to a male servant, or a man of humble birth.
replaces = machleef
knave
Yes. The k at the beginning of the word is silent.
In a deck of cards, 'knave' is another word for 'jack', but the word also means 'scoundrel' which is a dishonest or unscrupulous person. So the nursery rhyme is probably making a joke, by casting the Jack of Hearts in a slightly wicked and villainous role.
Prejudice
completely
relish
The word tentative means to be done without being certain or fixed without a doubt. The word most nearly similar in the meaning to tentative would be uncertain.
Panculture
Servant