Track any term's frequency over time, see its first occurrence, nearby words, and context lines.
Filter every panel by state, source, or topic.
Corpus spans 2008-01 → 2026-10.
PeriodSourceStateTopicMetric
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Term frequency over time, by selected period and metric
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Select terms and click Plot to render the timeline
Computing term frequencies across corpus…
Language appearing near —
Frequently nearby words, grouped over time. Select any word to add it to the timeline.
Computing collocate frequencies…
Related-term network for —
Terms linked within local sentence context. Larger nodes connect more parts of the network;
colors indicate recurring term communities. Different senses may form different clusters.
Select a term to trace it as evidence, not to tag it automatically.
Building related-term network…
Earliest evidence in the corpus
Term
Date
Source
Document
Context of First Use
Evidence for —
during —
Click any dot on the chart to load concordance lines for that term and period.