ἡ γὰρ σιωπὴ μαρτυρεῖ τὸ μὴ θέλειν → silence is evidence of unwillingness (Menander)
leanness: P. λεπτότης, ἡ.
scantiness: P. and V. σπάνις, ἡ.
deficiency: P. ἔνδεια, ἡ.