Allen and Greenough's New Latin Grammar, section 247

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247.

Adjectives of various meanings, but signifying in general made of or belonging to, are formed from nouns by means of the suffixes -

-eus, -ius, -áceus, -ícius, -áneus (-neus), -ticus aur-eus, golden;
patr-ius, paternal; pater, a father.
uxór-ius, uxorious; uxor, a wife.
ros-áceus, of roses; rosa, a rose.
later-ícius, of brick; later, a brick.
praesent-áneus, operating instantly; praeséns, present.
extr-áneus, external; extrá, without.
subterr-áneus, subterranean; sub terrá, underground.
salíg-neus, of willow; salix, willow.
volá-ticus, winged (volátus, a flight); voláre, to fly.
domes-ticus, of the house, domestic; domus, a house.
silvá-ticus, sylvan; silva, a wood.

NOTE: -ius is originally primitive (§ 234. II. 11); -eus corresponds to Greek -o , -o , and has lost a y-sound (cf. yo-, § 234. II. 11): -ícius and -áceus are formed by adding -ius and -eus to stems in í-c-, á-c- (suffix ko-, § 234. II. 12); -neus is no- -eus (§ 234. II. 4); -áneus is formed by adding -neus to á-stems; -ticus is a formation with -cus (cf. hosti-cus with silvá-ticus), and has been affected by the analogy of participial stems in to- (nominative -tus).

-eus, -ius, -áceus, -ícius, -áneus (-neus), -ticus	aur-eus, golden;
patr-ius, paternal;	pater, a father.
uxór-ius, uxorious;	uxor, a wife.
ros-áceus, of roses;	rosa, a rose.
later-ícius, of brick;	later, a brick.
praesent-áneus, operating instantly;	praeséns, present.
extr-áneus, external;	extrá, without.
subterr-áneus, subterranean;	sub terrá, underground.
salíg-neus, of willow;	salix, willow.
volá-ticus, winged (volátus, a flight);	voláre, to fly.
domes-ticus, of the house, domestic;	domus, a house.
silvá-ticus, sylvan;	silva, a wood.