Nouns are not always singular in both French and English. Here is a list of words that are singular or uncountable, or have unmarked plurals in English but are plural or countable in French.
advice conseils
ammunition munitions
asparagus asperges
audience spectateurs, auditeurs
baggage, luggage bagages
broccoli brocolis
business affaires
to cause damage causer des dégâts
cereal céréales
chess échecs
clothing vêtements
contact information / name and address coordonnées
damage dommage(s),* dégâts
darkness ténèbres
data** données
debris débris
deer cerf(s), biche(s)***
deposit arrhes
to do research faire des recherches
engagement fiançailles
evidence preuve(s)****
to feel remorse éprouver des remords
fish poisson(s)***
food vivres, victuailles
forecast prévisions
fruit fruit(s)****
funeral funérailles, obsèques
furniture meubles
garbage, rubbish déchets, ordures
gift (for Christmas or New Year's) étrennes
graffiti graffitis
hair cheveux
havoc ravages
hay foins*
herringbone chevrons
holiday(s) (British English) vacances
homework devoirs
income revenu(s), rente(s)*
information informations, renseignements
knowledge connaissances*
lovemaking ébats amoureux/sexuels
math (American English) maths
medicine médicaments
offal abats
pasta pâtes
period (to have one's period) règles (avoir ses règles)
progress progrès*
quicksand sables mouvants
rubble décombres
science sciences*
sheep mouton(s)***
shrimp crevettes
software logiciel(s)****
spaghetti spaghettis
spinach épinards
static parasites
there's a good chance that… il y a de fortes chances que…
transportation transports
vacation vacances
vicinity environs
volcanic smoke and gas fumerolles*
wedding noces*
*These are usually but not always plural in French
**Data is actually the plural of datum, but it is commonly used as a singular noun in English
***The plurals of these nouns are unmarked in English
****These nouns are uncountable in English but countable in French
In addition, adjectives that are used as nouns when referring to a group of people do not have an s in English, though they do in French:
the dead les morts
the living les vivants
the poor les pauvres
the rich les riches
the sick les malades
the young les jeunes
etc
If you can think of any other singular/uncountable English nouns that are plural in French, please let me know and I'll add them here.
English singulars, French plurals | French singulars, English plurals



