Il perito prepara la perizia.

Yes. They are closely related words.

• perito = the expert, appraiser, surveyor, or specialist person
• perizia = the expert assessment, appraisal, or report that person prepares

So the sentence is built around a very natural pair: the expert prepares the expert report/appraisal.

Grammatically, both are nouns, but they refer to different things:

• perito = a person
• perizia = a document, evaluation, or formal expert opinion

Because Italian nouns have grammatical gender.

• il is the masculine singular definite article: the
• la is the feminine singular definite article: the

So:

• il perito = the expert (masculine noun)
• la perizia = the report/appraisal (feminine noun)

The article has to match the gender and number of the noun.

prepara is the third-person singular present indicative of the verb preparare.

So:

• preparare = to prepare
• prepara = he/she prepares

In this sentence, the subject is il perito, so prepara means the expert prepares.

It can mean either, depending on context.

The Italian present tense often covers both:

• prepares
• is preparing

So Il perito prepara la perizia can mean:

• The expert prepares the report
• The expert is preparing the report

If the wider context does not make the timing especially important, Italian often just uses the simple present.

Because of the sentence structure.

Italian usually follows the same basic order as English here:

• subject
  • verb
    • object

So:

• Il perito = subject
• prepara = verb
• la perizia = direct object

In other words:

• the expert does the action
• the appraisal/report receives the action

The normal, neutral order is:

• Il perito prepara la perizia.

But Italian is more flexible than English, so other orders are possible for emphasis or style.

For example, you might also hear:

• La perizia la prepara il perito.

That gives extra emphasis to la perizia.

Still, for a learner, the original version is the best basic pattern to remember:

• subject + verb + object

A simple guide:

• perito ≈ peh-REE-to
• prepara ≈ preh-PA-ra
• perizia ≈ peh-REET-tsya

A few useful notes:

• In perizia, the z sounds like ts
• The stress is on:
  • ri in perito
  • pa in prepara
  • ri in perizia

The plural forms are:

• il perito → i periti
• la perizia → le perizie

So:

• I periti preparano le perizie. = The experts prepare the appraisals/reports.

Notice the verb changes too:

• prepara → preparano

In regular modern usage, you would normally say:

• La perita prepara la perizia.

So the changes are:

• il perito → la perita
• the verb prepara stays the same, because it is still third-person singular

Not in normal standard Italian.

In a complete everyday sentence, you would normally keep the articles:

• Il perito prepara la perizia.

Leaving them out would sound unnatural, incomplete, or like a note, heading, or very specialized shorthand.

So for standard Italian, keep:

• il
• la

Not usually.

Even though the words may seem related, perizia often refers to:

• an expert appraisal
• an expert report
• a formal technical assessment

It can sometimes also mean skill or expertise in other contexts, but in this sentence it most naturally means a professional report or appraisal prepared by an expert.

So it is better not to assume it always means English expertise.