A pejorative suffix is a suffix

Suffix

In linguistics, a suffix is an affix which is placed after the stem of a word. Common examples are case endings, which indicate the grammatical case of nouns or adjectives, and verb endings, which form the conjugation of verbs...

 that attaches a negative meaning to the word or word-stem preceding it. There is frequent overlap between this and the diminutive

Diminutive

In language structure, a diminutive, or diminutive form , is a formation of a word used to convey a slight degree of the root meaning, smallness of the object or quality named, encapsulation, intimacy, or endearment...

 form.

The pejorative suffix may add the sense of "a despicable example of the preceding," as in Spanish -ejo (see below). It can also convey the sense of "a despicable human having the preceding characteristic"; for instance, as in English -el (see below) or the development of the word cuckold from Old French cocu "cuckoo" + -ald, taken into Anglo-Saxon as cokewald and thus to the modern English word.

Examples of the pejorative suffix:

Catalan

Catalan language

Catalan is a Romance language, the national and only official language of Andorra and a co-official language in the Spanish autonomous communities of Catalonia, the Balearic Islands and Valencian Community, where it is known as Valencian , as well as in the city of Alghero, on the Italian island...

-alla -alles Suffixed to nouns gives new nouns. Examples: gentalla (from gent "people"). It's also used as a collective (group) suffix.

-arro -arros (fem. -arra -arres) Suffixed to nouns gives new nouns. Example: veuarra (from veu "voice"). It's also used as an augmentative suffix.

-astre -astres (fem. -astra -astres) Suffixed to nouns gives new nouns. Example: poetastra (from poeta "poet"). This suffix has also the meaning "indirect relation with".

-ot -ots (fem. -ota -otes) Suffixed to nouns gives new nouns. Example: sabatot (from sabata "shoe"). Suffixed to adjectives gives new adjectives. Example: lletjot (from lleig "ugly"). As a suffix it also means "object", giving a lexicalized word.

Dutch

Dutch language

Dutch is a West Germanic language and the native language of the majority of the population of the Netherlands, Belgium, and Suriname, the three member states of the Dutch Language Union. Most speakers live in the European Union, where it is a first language for about 23 million and a second...

-erd, e.g. stouterd "naughty one" (from stout "naughty")

-erik, e.g. viezerik "filthy person" (from vies "dirty")

English

English language

English is a West Germanic language that arose in the Anglo-Saxon kingdoms of England and spread into what was to become south-east Scotland under the influence of the Anglian medieval kingdom of Northumbria...

-ar, e.g. beggar

-ard, e.g. bastard (from Old French bast "pack-saddle", i.e. "child born in a pack-saddle"); coward, drunkard.

-aster, e.g. poetaster, philosophaster (via Latin)

-el, e.g. wastrel (from "waste", i.e. "a wasteful person (pej.)")

-ista e.g. fashionista (sometimes used as a more '"playful" pejorative than others, likely a play on "fascista" which is Italian for "fascist" less likely taken from Sandinista)

-nik, e.g. peacenik, neatnik (via Yiddish or Russian, where it is not necessarily pejorative)

French

French language

French is a Romance language spoken as a first language in France, the Romandy region in Switzerland, Wallonia and Brussels in Belgium, Monaco, the regions of Quebec and Acadia in Canada, and by various communities elsewhere. Second-language speakers of French are distributed throughout many parts...

-ald/-ard/-aud, e.g. salaud "dirty person (from sale "dirt")

Hawaiian

Hawaiian language

The Hawaiian language is a Polynesian language that takes its name from Hawaii, the largest island in the tropical North Pacific archipelago where it developed. Hawaiian, along with English, is an official language of the state of Hawaii...

-ā (-wā), e.g. lonoā "gossip" (from lono "news")

-ea, e.g. poluea "seasickness" (from polu "wet)

Italian

Italian language

Italian is a Romance language spoken mainly in Europe: Italy, Switzerland, San Marino, Vatican City, by minorities in Malta, Monaco, Croatia, Slovenia, France, Libya, Eritrea, and Somalia, and by immigrant communities in the Americas and Australia...

-accio(a) (or -uccio/a), e.g. boccaccia "ugly mug" (from bocca "mouth")

Japanese

Japanese language

is a language spoken by over 130 million people in Japan and in Japanese emigrant communities. It is a member of the Japonic language family, which has a number of proposed relationships with other languages, none of which has gained wide acceptance among historical linguists .Japanese is an...

-目 (-me), e.g. 「化け物目」 (bakemono-me) "That damn monster!" or 「可愛いやつ目」　kawaii yatsu-me "That darn cutie!"

Latin

-aster, denoting fraudulent resemblance, e.g. patraster "one who plays the father" (from pater "father")

Russian

Russian language

Russian is a Slavic language used primarily in Russia, Belarus, Uzbekistan, Kazakhstan, Tajikistan and Kyrgyzstan. It is an unofficial but widely spoken language in Ukraine, Moldova, Latvia, Turkmenistan and Estonia and, to a lesser extent, the other countries that were once constituent republics...

-iška (ишка)

-uxa (уха), e.g. černuxa, dramatic term for an unrelentingly bleak cinematic style (from čern- "black")

Spanish

Spanish language

Spanish , also known as Castilian , is a Romance language in the Ibero-Romance group that evolved from several languages and dialects in central-northern Iberia around the 9th century and gradually spread with the expansion of the Kingdom of Castile into central and southern Iberia during the...

-aco(a), e.g. pajarraco "large ugly bird" (from pajaro "bird)

-ejo(a), e.g. lugarejo "podunk town" (from lugar "place") and librejo "worthless book" (from libro "book"); however, -ejo can also show endearment, as in festejo

Festejo

Festejo is a festive form of Peruvian music. It can be seen as a celebration of Perú's independence and the emancipation of slaves, or as an attempt to reinvent diaspora African music without reference to slavery. Composers of all races have contributed to the development of festejo repertoire...

.

-ote(a), e.g. discursote "long dull speech" (from discurso "speech")(used mostly as an augmentative)

-ucho (a), e.g. casucha "hovel" (from casa "house")

-zuelo (a), e. g. mujerzuela "whore" (from mujer "woman")