They both derive from Latin so are very similar like all other languages in Europe but I think Spanish is more similar to French than Italian.
You can be French and speak Italian, but speaking Italian does not mean you are French.
French and Italian are both Romance languages, stemming from Latin. They share similarities in vocabulary, grammar structure, and phonetics. Additionally, both languages have had mutual influences on each other throughout history due to geographical proximity.
"We are alike" in French is "Nous sommes semblables."
Italian is an adjective, not a noun. The French word for Italian is Italien.
Italien (masculine); and I think its Italienne in feminine. The French word for "Italian" is "Italien."
Italian is spelled italien in French.
Di is an Italian equivalent of the French word de.Specifically, the French and the Italian words are both prepositions. They each translate as "of, from." The pronunciations are "dee" in Italian and "duh" in French.
De is a French equivalent of the Italian word di.Specifically, the French and the Italian words are both prepositions. They each translate as "of, from." The pronunciations are "dee" in Italian and "duh" in French.
Italian - strictly speaking, but French owned.
Cuisine in French is cucina in Italian.
"Cognac" is the same in French and in Italian.
Émilie in French is Emilia in Italian.