What this record means
The record shows that WORDGRAPH, owned by Wordgraph, Inc., is a cancelled Principal Register registration; the USPTO cancelled it on April 11 2009 because the owner failed to file a required Section 8 declaration, so the mark is no longer live. The registration covered Class 009 “computer software in the field of graphic design for creating graphical representations of complex systems, including telecommunications systems, computer systems and other complex systems,” so a similar name used for software or tools that produce visual designs of technical systems would raise the closest record‑based concern. The record does not give the owner control over every use of the word “WORDGRAPH” in unrelated fields. The prosecution history shows the mark progressed through normal examination, was allowed and registered on the Principal Register, then later fell into cancellation; there are no listed oppositions, cancellations beyond the Section 8 event, or other enforcement actions. I'd treat this as a meaningful concern if you plan a comparable name in the same software‑design space.
Informational only - not legal advice.