consonant-declension adjectives, from Mastronarde Unit 22

noun
τύχη, τύχης – fate; chance; fortune (good or bad); happening, event [Tyche]

sigma-stems
ἀληθής, ἀληθές – true, genuine; truthful
ἀσθενής, ἀσθενές – without strength, weak [myasthenia]
ἀσφαλής, ἀσφαλές – steadfast; safe, secure; trustworthy
δυστυχής, δυστυχές – unlucky, unfortunate
εὐγενής, εὐγενές – well-born; noble, high-minded [eugenics]
εὐτυχής, εὐτυχές – lucky, fortunate
πλήρης, πλήρης – full, full of (+ gen.)
σαφής, σαφές – sure, reliable; clear, distinct
ψευδής, ψευδές – lying, false, untrue

nu-stems with two endings

ἄφρων, ἄφρον – senseless, foolish
εὐδαίμων, εὔδαιμον – blessed with good δαίμων; fortunate, happy; wealthy [eudaemonism]
σώφρων, σώφρον – of sound mind; prudent; self-controlled; temperate, chaste

upsilon stems with three endings

βαθύς, βαθεῖα, βαθύ – deep, high [bathyscaph]
βαρύς, βαρεῖα, βαρύ – heavy [barometer]
βραχύς, βραχεῖα, βραχύ – short; small [brachylogy, brachistochrone]
γλυκύς, γλυκεῖα, γλυκύ – sweet, pleasant, delightful [glycerine, glucose]
ἡδύς, ἡδεῖα, ἡδύ – pleasant, welcome; glad, pleased
ἥμισυς, ἡμίσεια, ἥμισύ – half [hemisphere]

nu-stems with three endings

μέλας, μέλαινα, μέλαν – black, dark [melanism, melancholy]

ντ-stems
πᾶς, πᾶσα, πᾶν – all, every, the whole [pantomime]
… ἄπaς, ἄπασα, ἄπαν – all, the whole (strengthened form πᾶς)
χαρίεις, χαρίεσσα, χαρίεν – graceful, beautiful, elegant; clever

possessive adjectives (1st and 2nd person)
ἐμός, ἐμή, ἐμόν – my, mine
σός, σή, σόν – your, yours (sing.)
ἡμέτερος, ἡμέτερα, ἡμέτερον – our, ours
ὑμέτερος, ὑμέτερα, ὑμέτερον – your, yours (plural)