od / odd 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. 👇
od: NA
odd: (adjective) not divisible by two. (adjective) not easily explained. (adjective) an indefinite quantity more than that specified. (adjective) of the remaining member of a pair, of socks e.g..
od: NA
odd: AA·d
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)