Scipio was welcomed back to Rome in triumph with the agnomen of Africanus.
From the en.wikipedia.org
Like with Caligula, Germanicus is mostly referred to by his agnomen.
From the en.wikipedia.org
And some names appear to have been used both as praenomen, agnomen or non-hereditary cognomen.
From the en.wikipedia.org
Sometimes a second or third cognomen, called agnomen, was added.
From the en.wikipedia.org
It can be the cognomen, the agnomen or even the first name.
From the en.wikipedia.org
A woman usually did not have the praenomen and agnomen, unless the parents chose to give her those.
From the en.wikipedia.org
A common agnomen was Pius, for someone who displayed virtues like honesty, reverence to the gods, or devotion to family and state.
From the en.wikipedia.org
As a minimum, a Roman agnomen is a name attached to an individual's full titulature after birth and formal naming by the family.
From the en.wikipedia.org
Some of the gentes of the Roman republic were proud of their Sabine heritage, such as the Claudia gens, assuming Sabinus as a cognomen or agnomen.
From the en.wikipedia.org
More examples
An additional name or an epithet appended to a name (as in `Ferdinand the Great')
An agnomen (plural: agnomina), in the Roman naming convention, was a nickname, just as the cognomen was initially. However, the cognomina eventually became family names, so agnomina were needed to distinguish between similarly-named persons. ...
(Agnoman) Nemed ("holy" or "privileged") is a figure of Irish mythology who features in The Book of Invasions. The son of Agnoman of Scythia, he is the leader of the third group of inhabitants of Ireland, the Nemedians. ...
An additional cognomen given, as an honour, to a Roman citizen
N. - additional name. agnomination, n. surname; punning; alliteration.