פָּרַס Peres
Every verse in which this word stands — 2 places, in canonical order, first appearance to last. These are the places the lexicon carries under this word's own entry, counting every form the text writes it in, which is the number on the list.
Named in both kosher lists among the forbidden birds. Traditionally the ossifrage, the bone-breaker vulture; the identification is discussed — as it is for most of the twenty birds of these lists, which the Gemara in Chullin already debates.
וְאֶת־אֵלֶּה תְּשַׁקְּצוּ מִן־הָעוֹף לֹא יֵאָכְלוּ שֶׁקֶץ הֵם אֶת־הַנֶּשֶׁר וְאֶת־הַפֶּרֶס וְאֵת הָעָזְנִיָּֽה
And these ye shall have in detestation among the fowls; they shall not be eaten, they are a detestable thing: the great vulture, and the bearded vulture, and the ospray;
וְזֶה אֲשֶׁר לֹֽא־תֹאכְלוּ מֵהֶם הַנֶּשֶׁר וְהַפֶּרֶס וְהָֽעָזְנִיָּֽה
But these are they of which ye shall not eat: the great vulture, and the bearded vulture, and the ospray;
Quick answers
What is the Hebrew word for peres?
Peres in Hebrew is פרס, with a gematria of 340 in the standard method.
How many times is the peres mentioned in the Tanakh?
The word stands 2 times in the Tanakh, first at Leviticus 11:13.
A spelling is not a word. The bare letters פרס stand 29 times in the corpus, which is a different question and often a different number: the same letters can spell a name or another word entirely, and the creature written with a particle attached is a spelling that search never returns. It is here, as itself.
See all 29 occurrences of the spelling פרס →