Any of the words that end in graph fit this: graph, phonograph, telegraph
You can use the word, graph.
Examples of words that have 'graph' in them are: bibliographyautographbiographychoreographerdemographicselectrocardiographgeographygraphiciconographylithographmimeographoceanographerparagraphphonographphotographpolygraphpornographyseismographstenographertelegraphtopographyvideographer
They are the end points of the graph!
autograph. barograph. calligraph. digraph. epigraph. hectograph. ideograph. kymograph. lithograph. mimeograph. nomograph. oscillograph. paragraph. polygraph. radiograph. seismograph. telegraph. viewgraph.
The Tagalog term for bar graph is "bar graph" or "bar graph" in Filipino.
I can't list them all but go on www.morewords.com/ends-with/ph/
a graph key is when one end of the graph goes into a nother graph and makes baby graphs.
HMS Graph ended in 1944-02.
If the graph start and end with same vertex and no other vertex can be repeated then it is called trivial graph.
points
point