Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
Dreieck
←
German
drei
(compound)
←
German
Ecke
(compound)
→
German
dreieckig
(suffix)
→
German
Dreiecksnatter
(affix)
→
German
Dreieckpyramide
(affix)
→
German
Dreieckszahl
(compound)
→
German
Dreieckshandel
(compound)