Ensk.is
Um
Gögn
English
English
substitutability
subs·ti·tu·ta·bi·li·ty
UK:
/sʌb.stɪˌtjuː.təˈbɪl.ə.ti/
nafnorð
staðgengi, staðgengni
Samheiti:
commutability,
replaceability