Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
peep
←
German
piepen
(cognate)
←
German
pfeifen
(mention)
←
English
glance
(link)
←
English
bo-peep
(link)
←
English
by-peep
(link)
←
English
peeper
(link)
←
English
peepers
(link)
←
English
peep pixels
(link)
←
English
peep show
(link)
←
English
peeping tom
(link)
←
English
pixel peeper
(link)
←
English
pip
(mention)
←
English
pip
(link)
←
English
peeps
(back-formation)
←
Middle English
pepen
(inherited)
←
Middle English
pepen
(inherited)
←
Middle English
piken
(mention)
←
German Low German
piepen
(cognate)
←
Dutch
piepen
(cognate)
→
English
twig
(link)
→
English
peek
(blend)
→
English
peeper
(suffix)
→
English
keek
(mention)
→
English
peephole
(compound)
→
English
peepshow
(compound)
→
English
peepy
(suffix)
→
English
by-peep
(prefix)
→
English
underpeep
(prefix)
→
English
tweep
(blend)
→
English
peepeth
(suffix)
→
English
peepest
(suffix)
→
English
peepo
(suffix)
→
Cimbrian
piipan
(cognate)