Word Study · Strong's G2447 · Greek

ἰός

ios

ee-os'

Strong's 1890 spelling: iós

“rust (as if emitted by metals)”

Strong's Dictionary · 1890 · public domain

rust (as if emitted by metals); also venom (as emitted by serpents)

Rendered in the KJV as

poison, rust.

3
occurrencesin the New Testament
2 of 27
New Testament bookswhere the word stands
2
inflected formsdistinct spellings

Across 3 occurrences

The word itself

Inflected forms · 2

ἰὸς2
ἰοῦ1

How it is rendered · 3

[the] venom1
of poison1
rust1

The sense the word carries at each spot — how the translators read it there, not a fixed translation.

How it parses · 2

noun · nominative (subject) · masculine singular2
noun · genitive (“of”) · masculine singular1

Show the grammar codes as tagged

N-NSM · 2
N-GSM · 1

All 3, in canonical order

The ledger of occurrences

Where this word lives

James2 of 3 · 67%
Romans1 of 3 · 33%

James carries the most and opens below; every other book is one click.

Romans1 occurrence

Romans 3:13ἰὸςiosnoun · nominative (subject) · masculine singular“Their throats are open graves; their tongues practice deceit.” “The venom of vipers is on their lips.”here: [the] venom

James2 occurrences

Read Romans 3:13 in context →