What is the meaning of -ik?

A suffix used to form the plurals of some animate words.

Alternative form of -y

Forms nouns denoting a quality from adjectives; -ic.

forms nouns, often diminutive

Interrogative particle. It is attached to the finite verb in yes-no questions, which is then placed first in the sentence.

First-person plural present simple copula

1. [we] are

[we] are

Partitive suffix.

Adverbial suffix, -ly

Derives nouns from numerals, with the meaning "group of".

forms feminine nouns referring to fields of study

forms feminine collective nouns

forms feminine nouns referring to characteristics

A unique identification suffix (often used together with the definite article a/az (“the”)). Used with (chiefly comparative, sometimes superlative) adjectives, answering the question melyik? (“which?”), specifying one out of a specific set of things/persons.

possessive suffix for multiple possessions if there is no noun for the possessor:

1. their ……-s (third-person plural; the pronoun ő (“s/he”) (!) being optional for emphasis)

   their ……-s (third-person plural; the pronoun ő (“s/he”) (!) being optional for emphasis)

   your ……-s (second-person plural, grammatically resembling the third person plural)

   The ending of a large group of passive/reflexive verbs in indefinite third-person singular present tense, their dictionary form.

   Used to form the definite third-person plural present indicative of (front-vowel) verbs.

   -ic.

   -ic.

   -ics.

   -ique.

   forms nouns, often diminutive

   Suffix appended to words to create a masculine noun, usually denoting a profession, performer, place, object, tool or a feature.

   alternative form of suffix -ík after roots in a long vowel or a diphthong

   fictive suffix in case when both an occupational name in -ik and its base noun were borrowed

   Derives participle forms of verbs; adjectival and/or resulting state or product of the action.

   -ic

   -ical

   Used to form adjectives and determiners.

   Source: wiktionary.org