Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Saterland Frisian
Moundai
←
German
Montag
(cognate)
←
West Frisian
moandei
(cognate)
←
Proto-West Germanic
*mānini dag
(inherited)
←
Old Frisian
mōnadei
(inherited)
→
English
Monday
(cognate)