invade / inveighed 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. 👇
invade: (verb) march aggressively into another's territory by military force for the purposes of conquest and occupation. (verb) occupy in large numbers or live on a host. (verb) penetrate or assault, in a harmful or injurious way.
inveighed: NA
invade: ih·n·v·EY·d
inveighed: NA
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)