Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Saxon
ertha
←
Old English
eorþe
(cognate)
←
Proto-West Germanic
*erþu
(inherited)
←
Old High German
erda
(cognate)
←
Gothic
𐌰𐌹𐍂𐌸𐌰
(cognate)
←
Old Norse
jǫrð
(cognate)
←
Old Dutch
ertha
(cognate)
←
Old Frisian
erthe
(cognate)
→
Old Norse
jǫrð
(cognate)