teaming / teeming 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. 👇
teaming: (verb) form a team.
teeming: (verb) be teeming, be abuzz. (adjective) abundantly filled with especially living things.
teaming: t·IY·m·ih·ng
teeming: t·IY·m·ih·ng
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)