Name comparison
Compare names
Compare national popularity curves, combined-spelling ranks, trend signals, and practical duplicate estimates.
National popularity over time
Combined-spelling rank, U.S. national history. Lower ranks are more popular.
Quick verdict
Fast takeaways from the current comparison. Click a card to open that name report.
Detailed metrics
Sortable side-by-side values. Highlighted cells mark the strongest value for that row.
| Metric | Frederick | William |
|---|---|---|
| Official rank | #435 | #9 |
| Combined rank | #399 | #10 |
| Rank difference | 36.0 | -1.0 |
| Multiplier | 1.1× | 1.0× |
| Rate per 10k | 4.7 | 61.9 |
| 1-in-N | 2,137.8 | 161.7 |
| Trend label | past peak | past peak |
| Expected per 100 | 0.0 | 0.3 |
| Expected per 300 | 0.1 | 1.0 |
| Latest as % of peak | 9.8% | 7.2% |
| Peak year | 1887 | 1880 |