rori
1. (verb) (-a) to be distorted, giddy - particularly of someone affected by a poisonous substance.
Ki te kainga weratia te karaka, ka roria (W 1971:347). / If the karaka berry is eaten hot, one is affected by giddiness. (A whakataukī referring to the poisonous kernel of the karaka berry, which was rendered harmless by a process of cooking and then steeping. A person's mind can be affected if the berries are eaten before the full process had been carried out. Likewise if processes and actions due not follow due process, things can go awry.)
2. (noun) sea slug, Scutus antipodes - a large black slug that lives under boulders at low tide.
ngata
1. (noun) snail, slug, leech.
Synonyms: kōkopurangi, piriawaawa
2. (noun) invertebrate.
He rerekē tēnei manu, inarā he manu kai hātaretare, arā, mā te tirikohu ki te wai kia ketuketu i ngā toka me ōna ngutu (Te Ara 2015). / This bird is unusual in that it is a bird that eats invertebrates, by diving down into the water to fossick around in the boulders with its beak.