Which major dictionary publisher acquired both Merriam-Webster and the Oxford English Dictionary publishing rights in the same decade?

In the world of language resources, dictionary companies have undergone significant consolidations that shaped how we access word definitions today. Major dictionary brands have merged or been acquired, bringing together centuries of lexicographical tradition under new corporate umbrellas. This poll tests your knowledge about one of the most significant dictionary brand mergers in recent history that dramatically changed the linguistics publishing landscape.

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Pearson Education
Houghton Mifflin Harcourt
This is a trick question - Oxford University Press and Merriam-Webster remain separate companies
Thomson Reuters