Lexical Definition

‎συμπάσχω‎ sympáschō (soom-pas'-kho) to suffer with G:V
from ‎σύν‎ and ‎πάσχω‎ (including its alternate)

suffer with.

Usage: 2 forms in 2 verses
Form Translated As     In Verse(s)
συμπάσχομεν we suffer with Rom.8.17
συμπάσχει suffer with 1Cor.12.26

Abbott-Smith

** συν-πάσχω (Rec. συμπ-), [in Al.: I Ki 22:8 * ;]
1. to suffer together or with: Ro 8:17, I Co 12:26.
2. to sympathize with (Plat., Arist.).†

Abbott-Smith References

Book Refs
1 Samuel 22:8
Romans 8:17
1 Corinthians 12:26

Liddell-Scott-Jones

συμπάσχω,

have the same thing happen to one, οἱ τοὺς Χασμωμένους.. ὁρῶντες ταὐτὸν τοῦτο σ. [NT+5th c.BC+]

__II with dative, to be affected in common with, ἀλλήλοις [Refs 4th c.BC+]; commotiunculis, [Refs 1st c.BC+]; προσώποις, of a mimic dancer, [Refs 2nd c.AD+]; τοῖς τῆς ψυχῆς παθήμασι τὸ σῶμα σ. [Refs 4th c.BC+]; τοῖς ἀναπνευστικοῖς ὀργάνοις τὸ ἧπαρ σ. [Refs 2nd c.AD+]
__III have a fellow-feeling, sympathize, feel sympathy, [Refs 5th c.BC+]

LSJ Scripture Refs: Rom.8.17