Bar chart and Histogram

Bar chart noun - A chart with bars whose lengths are proportional to quantities.

Histogram and bar chart are semantically related. in graph with bars for values topic. In some cases you can use "Histogram" instead a noun phrase "Bar chart".

Histogram noun - A bar chart representing a frequency distribution; heights of the bars represent observed frequencies.

Bar chart and histogram are semantically related. You can use "Bar chart" instead a noun "Histogram".