Greek words distinguished by pitch accent

[Serenus]

A sister thread to the Latin one about vowel length.

τόμος 'slice'
τομός 'sharp, cutting'

ἄρα 'therefore' (vowel lengths: ără)
ἆρα '(particle for yes/no questions)' (āră)
ἀρά 'prayer' (ārā)

σκευή 'attire, dress'
σκεύη 'implements, utensils' (plural of σκεῦος)

λιθοτόμος 'for cutting stones'
λιθότομος '(something) cut on a stone'

δῖος 'divine' (vowel lengths: dīŏs)
Διός 'of Zeus' (genitive of Ζεύς) (dĭŏs)

 

[Dantius]

A couple random ones I've come across recently:

νόμος law, νομός (from νέμω) territory/habitation

κήρ death, κῆρ heart

φῶς light, φώς man

βίος life, βιός bow

θέα sight, θεά goddess

ὑψιπέτης high-flying (from πέτομαι), ὑψιπετής fallen from heaven (from πίπτω)

ἀγός (masc.) leader, ἄγος (n.) pollution/guilt, ἄγος (n.) fragment (from ἄγνυμι)

There is also this:

 

[Dantius]

μυρίος numberless, μύριος 10,000 ("μύριος ὁ ὡρισμένος ἀριθμός, μυρίος ἀόριστος")

περιϊᾶσι (from περιΐημι), περιΐασι (from περίειμι from εἶμι to go)

 

[Dantius]

βρότος gore, βροτός mortal (probably unrelated)

 

[Serenus]

οὔκουν 'certainly not'
οὐκοῦν 'therefore'

 

[Glabrigausapes]

ἦ 'quoth' (< ἠμί) or 'verily' v. ἤ 'or' or 'yo!'

 

[Glabrigausapes]

ὦμος 'shoulder' v. ὠμός 'raw'

 

[Dantius]

λιθοτόμος 'for cutting stones'
λιθότομος '(something) cut on a stone'

similarly: λιθοβόλος "throwing stones" λιθόβολος "struck with stones"