This is a list of names in which the usage is German; and the community's impression is nerdy; and the categories include water.
Doris f English, German, Swedish, Danish, Croatian, Spanish, Ancient Greek, Greek MythologyFrom the Greek name
Δωρίς (Doris), which meant
"Dorian woman". The Dorians were a Greek tribe who occupied the Peloponnese starting in the 12th century BC. In Greek mythology Doris was a sea nymph, one of the many children of Oceanus and Tethys. It began to be used as an English name in the 19th century. A famous bearer is the American actress Doris Day (1924-2019).
Isolde f German, Arthurian CycleGerman form of
Iseult, appearing in the 13th-century German poem
Tristan by Gottfried von Strassburg. In 1865 the German composer Richard Wagner debuted his popular opera
Tristan und Isolde and also used the name for his first daughter.