Which are the odd words out 1) park, letter, square 2) hotel, abroad, bank, school 3)...

Question

Which are the odd words out 1) park, letter, square 2) hotel, abroad, bank, school 3) pond, thing, lake, sea 4) capital, city, house, town 5) Moscow, London, Greece, Rome

Answer 1

1)letter
2)abroad
3) thing
4) house
5) Greece