Verb:

verbs with ending ter

Conjugation:

er, irregular

Exceptions:

Only verbs are built according to the ~ter rules that are stored in the list of ~ter-verbs.
Note: The accentuation of the Indicativo Presente (singular 1 and 2) as well as Imperativo (singular 2) is different for verbs ending on ter compared to the ter verb itself (e.g. singular 2 for manter => manténs, not mantens)

Auxiliary verb:

ter