coincidano
Coincidano is the third-person plural present subjunctive form of the Italian verb coincidere, meaning to coincide or to occur at the same time or place. It appears in dependent clauses introduced by verbs or expressions of doubt, possibility, necessity, will, or opinion, where the speaker wants to express that two events or dates may or should occur together. For example: È possibile che coincidano i due eventi; Non è certo che coincidano le date. The corresponding indicative present is coincidono, while the subjunctive forms include coincida for the first and second person singular and coincidano for the third person plural.
The verb coincidere belongs to standard Italian and can denote both temporal and spatial coincidence, as in
Etymology traces coincidere to Latin con- ‘together’ and incidere, from which the sense of “falling together”
Usage notes: Coincidano is relatively formal or literary and uncommon in casual conversation. It is more likely