Dictionary.com
Thesaurus.com

taiga vs. tundra

[tahy-guh, tahy-gah] / ˈtaɪ gə, taɪˈgɑ /

noun

  1. the coniferous evergreen forests of subarctic lands, covering vast areas of northern North America and Eurasia.

[tuhn-druh, toon-] / ˈtʌn drə, ˈtʊn- /

noun

  1. one of the vast, nearly level, treeless plains of the Arctic regions of Europe, Asia, and North America.