Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
isospectral
←
English
iso
(prefix)
←
English
spectral
(prefix)
→
English
nonisospectral
(prefix)
→
English
isospectrally
(suffix)