A--- Birincisi: Bu, Sabah Namazına üçüncü bir rekât, Akşam Namazına dördüncü bir rekât veya Öğle Namazına beşinci bir rekât eklemek gibi, ibadetin tamamını bozar. Veya ibadetten bir rekâtı eksiltmek de böyledir.

A--- First: it nullifies the whole act of worship such as adding a third Rak'ah to the Fajr Prayer, a fourth one to the Maghrib, or a fifth to the Zuhr Prayer. Or, such as decreasing a Rak' ah thereof.

İkincisi: Bu, ibadeti geçersiz kılmaz; ancak (Bid'at) sayılır.

Second: it does not nullify the act of worship though it is (Innovation)

itself is basically nullified. Such as the one who adds a fourth time of wash to the organs to be washed in Ablution. The Prophet ﷺ did not say it is nullified, but said: "Whosoever adds to this, he certainly did badly, transgressed and did (something) wrong." (Abu Dawud and Ibn Majah) Note: the sentence is incomplete in the source, so I've translated the text as given.

itself is basically nullified. Such as the one who adds a fourth time of wash to the organs to be washed in Ablution. The Prophet (Peace be upon him) did not say it is nullified, but said: "Whosoever adds to this, he certainly did badly, transgressed and did (something) wrong." (Abu Dawud and Ibn Majah)