La tasse est petite par rapport à la bouteille.

French often uses the definite article (le / la / les) in examples, general statements, or when talking about specific items already understood from context.

So:

• La tasse = the cup
• La bouteille = the bottle

If you said Une tasse est petite par rapport à une bouteille, it would sound more like a general comparison between any cup and any bottle. That is possible, but it is a slightly different nuance.

In this sentence, la most naturally refers to a particular cup and a particular bottle, or to the two objects being discussed.

Because tasse is a feminine noun, and adjectives usually agree with the noun they describe in gender and number.

• masculine singular: petit
• feminine singular: petite
• masculine plural: petits
• feminine plural: petites

Since tasse is feminine singular, the adjective must also be feminine singular:

• La tasse est petite.

If the noun were masculine, you would say:

• Le verre est petit. = The glass is small.

In French, every noun has a grammatical gender, either masculine or feminine. Unfortunately, there is not always a perfect rule, so you often have to learn the gender along with the noun.

Here, you can tell they are feminine because the sentence uses:

• la tasse
• la bouteille

The article la marks a feminine singular noun.

A good habit is to memorize nouns with their article:

• la tasse = cup
• la bouteille = bottle

not just tasse and bouteille by themselves.

Here, par rapport à means in relation to, compared with, or relative to.

So:

• La tasse est petite par rapport à la bouteille. = The cup is small compared with the bottle.

This expression is very common in French when comparing one thing to another.

Be aware that par rapport à can also mean with regard to or regarding in other contexts, depending on the sentence.

Yes, and in many cases that is actually the more direct and natural way to express a comparison.

• La tasse est plus petite que la bouteille. = The cup is smaller than the bottle.

Difference in nuance:

• plus petite que clearly gives a direct comparison: smaller than
• petite par rapport à means small relative to / compared with, which can sound a little more descriptive or analytical

Both are correct. In everyday speech, plus petite que is often simpler and more straightforward.

Because the subject is already a specific noun phrase: La tasse.

So you use the normal verb être:

• La tasse est petite.

C’est is used in other kinds of structures, especially when identifying something:

• C’est une tasse. = It’s a cup.
• C’est petit. = It’s small.

But when the subject is explicitly named, French usually uses the regular form:

• La tasse est petite.
• not normally La tasse c’est petite

Because à and a are two different words in French.

• à = to, at, in
• a = has (from the verb avoir)

In par rapport à la bouteille, the word needed is the preposition à, so it must have the grave accent.

This accent is important because it changes the meaning and helps distinguish the word from a.

Actually, in this sentence the adjective is not directly attached to the noun inside the noun phrase. It comes after the verb est, because it is part of the predicate:

• La tasse = subject
• est = is
• petite = adjective describing the subject

So this works like English:

• The cup is small.

French adjectives can come before or after a noun when they are directly modifying it:

• une petite tasse = a small cup

But after être, the adjective comes after the verb:

• La tasse est petite.

Most naturally, it refers to physical size: the cup is small relative to the bottle.

However, French adjectives can sometimes be interpreted more broadly depending on context. Petit / petite can also suggest something minor, limited, or small in scale.

In this sentence, because of la tasse and la bouteille, the default interpretation is clearly physical size.

A careful pronunciation guide would be roughly:

la tahss eh puh-teet par ra-por ah la boo-tay

A few helpful notes:

• tasse sounds like tahss
• est is usually pronounced eh
• petite sounds like puh-teet
• rapport has a French r, pronounced in the throat
• à sounds like ah
• bouteille is roughly boo-tay or boo-tey

There is no strong English-style stress on one syllable; French rhythm is more even.

Usually, not much.

You would normally say:

• La tasse est petite...

without liaison between tasse and est, because tasse ends in a pronounced consonant sound already.

You may hear a light liaison in some very careful speech between words like par rapport à, but this sentence is not one where beginners need to worry much about liaison.

The main pronunciation challenge here is more about the French r and the sound of bouteille than liaison.

Yes, sometimes. Native speakers do use par rapport à, but it can be overused, especially in spoken French, where it sometimes becomes a vague filler meaning regarding, compared to, or in relation to.

In this sentence, though, it is perfectly acceptable and understandable.

Still, depending on what you want to say, French may prefer a simpler structure such as:

• La tasse est plus petite que la bouteille.
• La tasse paraît petite à côté de la bouteille.

So par rapport à is correct here, but it is not always the only or most natural option.

Because par rapport à is a fixed expression.

You should learn it as a whole chunk:

• par rapport à = compared with / in relation to

It is not built freely word by word in this sentence. That is why you do not say:

• par le rapport à
• par un rapport à

Those would be incorrect here.

So it is best to memorize par rapport à as a set phrase.