Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
fimtán
←
Old English
fīftīene
(cognate)
←
Proto-Germanic
*fimftehun
(inherited)
←
Old High German
fimfzehan
(cognate)
←
Gothic
𐍆𐌹𐌼𐍆𐍄𐌰𐌹𐌷𐌿𐌽
(cognate)
←
Old Frisian
fīftīne
(cognate)
←
Old Saxon
fīftein
(cognate)
→
Gothic
𐍆𐌹𐌼𐍆𐍄𐌰𐌹𐌷𐌿𐌽
(cognate)