coöperate

== English == === Verb === coöperate (third-person singular simple present coöperates, present participle coöperating, simple past and past participle coöperated) Dated spelling of cooperate. ==== Usage notes ==== The diaeresis ⟨◌̈⟩ is sometimes used in native words to separate two adjacent vowels with different pronunciations (e.g. coöperate and reënter). It has been mostly replaced by the use of a hyphen (co-operate and re-enter) or by no indication at all (cooperate and reenter). The accent mark is still used in a few publications, notably The New Yorker. ==== Related terms ==== coöperation coöperative