Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
Cygan
←
Proto-Slavic
*ciganinъ
(inherited)
→
English
tzigane
(cognate)
→
Czech
Cikán
(cognate)
→
Polish
Cyganka
(suffix)
→
Polish
Cyganek
(suffix)
→
Slovak
Cigán
(cognate)