Lawn
Part of speech: noun
Definition: a type of thin linen or cotton pieces of this fabric, especially as used for the sleeves of a bishop; the office of bishop a piece of clothing made from lawn An open space between woods. Ground (generally in front of or around a house) covered with grass kept closely mown.
Yard
Part of speech: noun
Definition: A small, usually uncultivated area adjoining or (now especially) within the precincts of a house or other building.An enclosed area designated for a specific purpose, e.g. on farms, railways etc.One's house or home.A long tapered timber hung on a mast to which is bent a sail, and may be further qualified as a square, lateen, or lug yard. The first is hung at right angles to the mast, the latter two hang obliquely.Any spar carried aloft.A staff, rod or stick.A unit of length equal to three feet (exactly 0.9144 metres in the US and UK).One-hundred dollars.109, A short scale billion; a long scale thousand millions or milliard.