whirled / world 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. 👇
whirled: (verb) cause to spin. (verb) fly around.
world: (noun) people in general; especially a distinctive group of people with some shared interest. (noun) all of your experiences that determine how things appear to you. (noun) a part of the earth that can be considered separately. (noun) all of the living human inhabitants of the earth.
whirled: w·ER·l·d
world: w·ER·l·d
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)