Knowing relations between words can help understand their meanings and build a more connected vocabulary network. Here, you can explore parents and offspring and discover the whole family.
- shows how many children or parents the word has
- get the translations and a link
- Check "meeresgrund" on DWDS.de
Biggest German Dictionary, great for etymology, usage frequency and collocations) - "meeresgrund" on Wiktionary (English version)
(For etymological connections across European languages. Not always accurate) - Etymonline.com - Origins of English words
My favorite source for the origin of English words.

sea bed or sea floor would be the idiomatic way of saying this. Say ground would be likely nderstood but sounds weird