commonest

/K AA1 M AH0 N AH0 S T/
adjective
  1. 1

    Mutual; shared by more than one.

    โ€œThe two competitors have the common aim of winning the championship.โ€

  2. 2

    Occurring or happening regularly or frequently; usual.

    โ€œIt is common to find sharks off this coast.โ€

  3. 3

    Found in large numbers or in a large quantity; usual.

    โ€œIt differs from the common blackbird in the size of its beak.โ€

  4. 4

    Simple, ordinary or vulgar.

  5. 5

    (grammar) In some languages, particularly Germanic languages, of the gender originating from the coalescence of the masculine and feminine categories of nouns.

  6. 6

    (grammar) Of or pertaining to common nouns as opposed to proper nouns.

  7. 7

    Vernacular, referring to the name of a kind of plant or animal, i.e., common name vs. scientific name.

  8. 8

    Profane; polluted.

  9. 9

    Given to lewd habits; prostitute.

Source: https://en.wiktionary.org/wiki/common, https://en.wiktionary.org/wiki/commonest