CON - To study, especially in order to gain knowledge of.
ICE - Water in frozen (solid) form.
ION - An atom or group of atoms bearing an electrical charge such as the sodium and chlorine atoms in a salt solution.
ONE - A numerical value equal to 1; the first number in the set of natural numbers (especially in number theory); the cardinality of the smallest nonempty set. Ordinal: first.
VIE - To rival; to struggle for superiority; to contend; to compete eagerly so as to gain something.
COIN - A piece of currency, usually metallic and in the shape of a disc, but sometimes polygonal, or with a hole in the middle.
CONE - A surface of revolution formed by rotating a segment of a line around another line that intersects the first line.
COVE - A fellow; a man.
ICON - An image, symbol, picture, or other representation usually as an object of religious devotion.
NICE - Nicely.
ONCE - One and only one time.
OVEN - A chamber used for baking or heating.
VEIN - A blood vessel that transports blood from the capillaries back to the heart.
VINE - The climbing plant that produces grapes.
VINO - The Italian or Spanish word for wine used in combination in various terms adopted from these languages (see Derived terms below).
VOICE - Sound uttered by the mouth, especially that uttered by human beings in speech or song; steven; sound thus uttered considered as possessing some special quality or character; as, the human voice; a pleasant voice; a low voice.
NOVICE - A new member of a religious order accepted on a conditional basis, prior to confirmation.
INVOICE - A bill; a commercial document issued by a seller to a buyer indicating the products, quantities and agreed prices for products or services that the seller has already provided the buyer with. An invoice indicates that, unless paid in advance, payment is due by the buyer to the seller, according to the agreed terms.