What is the meaning of -ies?

variant of -es for the plural forms of nouns ending in a consonant + y; equivalent to (dropped y) + (-i- + -es).

Used to form the third person singular of the indicative of verbs ending in consonant + y.

-ic, -ory, -ian; Used to create adjectives from nouns, primarily of Latin and Greek origin

-ly, -like; Used to create adverbs from nouns, primarily of Latin and Greek origin

reminding of, appropriate to, characteristic of (added to a noun to form an adjective)

Used to form an abstract noun, usually from an adjective stem.

Used to form frequency adverbs, usually from a number and having the meaning "N times"

Source: wiktionary.org