Hept?
if you want languages, theres:
sept - french
siete - spanish
sette - Italian
sieben - German
sete - portuguese
Every language includes a word for seven. A group of seven is a septet, but I do not think any English word would be another name for seven.
angling
trachea
disease
another archive
Mystery
Mummify hope this helps
unclean :)
seven letter word for a cube of sugar or salt
Nemesis .
Breccia .
foreign