Réponse :

Ministerium = métier = ministère

Aquarium = écouter = Aquarium

Potionem = Poison = ausculter

Opus/opera = Oeuvre = Opera

Hospitalem = Hôtel = Hôpital

Masticare = Mâcher = Mastiquer

Scalam = échelle = escalier

a. = 5

b. = 4

c. = 6

d. = 1

e. = 3

f. = 2