bole / boll / bowl are similar-sounding terms with different meanings (referred to as homophones). To better understand the differences, see below for definitions, pronunciation guides, and example sentences using each term. 👇
bole: (noun) a soft oily clay used as a pigment (especially a reddish brown pigment). (noun) a Chadic language spoken in northern Nigeria and closely related to Hausa.
boll: (noun) the rounded seed-bearing capsule of a cotton or flax plant.
bowl: (noun) a round vessel that is open at the top; used chiefly for holding food or liquids. (noun) a concave shape with an open top. (noun) a dish that is round and open at the top for serving foods. (noun) the quantity contained in a bowl. (noun) a wooden ball (with flattened sides so that it rolls on a curved course) used in the game of lawn bowling. (noun) a small round container that is open at the top for holding tobacco. (verb) roll (a ball). (verb) hurl a cricket ball from one end of the pitch towards the batsman at the other end. (verb) engage in the sport of bowling.
bole: b·OW·l
boll: b·OW·l
bowl: b·OW·l
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)