In 1 Corinthians 1:10-12, Paul directly addresses the same divisions, naming factions like 'I am of Paul', showing the divisions Paul hears about in 11:18.

In 1 Corinthians 3:3, Paul cites jealousy and strife as signs of fleshly behavior—the same underlying disunity reflected in the divisions he hears about here.

1 Corinthians 6:1 describes believers suing each other—a concrete manifestation of the divisions and disunity Paul hears about in the church gatherings.

In 1 Cor 1:11, Paul first mentions quarrels from Chloe's people — this is the report behind the divisions he says he hears in 11:18.

In 1 Cor 13:5, love is not self-seeking — the divisions in 11:18 contradict this, revealing a lack of love.

Romans 16:17 warns about those causing divisions—echoing the same issue Paul hears reported in Corinth when the church assembles.