Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
hvísla
←
Old English
hwīslan
(mention)
←
Danish
hvisle
(mention)
←
English
whistle
(mention)
←
Swedish
vissla
(mention)
→
English
whistle
(cognate)