enviar is the model for ·iar verbs with the í Boot-stem accent (see page Finding the Model).

Common ·iar verbs that don't have this change include anunciar, cambiar, estudiar, limpiar, copiar, iniciar, negociar, pronunciar.

17 verbs out of the top 350 Spanish verbs conjugate like enviar:

60 uncommon Spanish verbs conjugate like enviar:

These conjugation tables are generated with seven-stems-conjugator, the open-source Python conjugation engine behind Seven Stems.