adjective
predominant
prih-DAH-muh-nuhnt/prɪˈdɑːmɪnənt/
Having the greatest presence or influence among others.
Yellow is the predominant color among the meadow's flowers.

Etymology
“Before” combined with “rule” conveys holding the leading position in power or influence. This forceful sense weakened to include being simply more frequent or prevalent.
In context
all found as far north as alaska in most of canada and throughout eastern united states as far south as georgia the second most widespread form is the oregon junco predominant across much of the western united states
More examples
- Spanish is the predominant language in this neighborhood.
- Agriculture remains the predominant industry in the region.
- Relief is her predominant emotion when the test results arrive.
Forms
predominantly adverb — For the most part; mainly.
predominance noun — The state of having the greatest influence.
Similar words
- dominant
- Emphasizes control or power rather than frequency or presence.
- prevailing
- Emphasizes what is widespread or accepted at a particular time.