# Fonts Like Underdog

12 open fonts whose letters are closest to Underdog, ranked by a glyph comparison. All free for commercial use.

## Quick Answer

The closest open font to Underdog is Port Lligat Slab (similarity 64), then Port Lligat Sans and Wellfleet. Port Lligat Slab is released under the SIL Open Font License 1.1 and is free for commercial use.

## Ranked Open Lookalikes (12 Fonts)

| Rank | Font | Similarity Score | Licence | Details |
| :--- | :--- | :--- | :--- | :--- |
| #1 | **Port Lligat Slab** | 64 / 100 | OFL-1.1 | [/fonts/port-lligat-slab/](/fonts/port-lligat-slab.md) |
| #2 | **Port Lligat Sans** | 64 / 100 | OFL-1.1 | [/fonts/port-lligat-sans/](/fonts/port-lligat-sans.md) |
| #3 | **Wellfleet** | 57 / 100 | OFL-1.1 | [/fonts/wellfleet/](/fonts/wellfleet.md) |
| #4 | **Signika** | 57 / 100 | OFL-1.1 | [/fonts/signika/](/fonts/signika.md) |
| #5 | **Kreon** | 57 / 100 | OFL-1.1 | [/fonts/kreon/](/fonts/kreon.md) |
| #6 | **Averia Libre** | 56 / 100 | OFL-1.1 | [/fonts/averia-libre/](/fonts/averia-libre.md) |
| #7 | **Cantora One** | 55 / 100 | OFL-1.1 | [/fonts/cantora-one/](/fonts/cantora-one.md) |
| #8 | **Caladea** | 55 / 100 | OFL-1.1 | [/fonts/caladea/](/fonts/caladea.md) |
| #9 | **Arima** | 55 / 100 | OFL-1.1 | [/fonts/arima/](/fonts/arima.md) |
| #10 | **Averia Gruesa Libre** | 55 / 100 | OFL-1.1 | [/fonts/averia-gruesa-libre/](/fonts/averia-gruesa-libre.md) |
| #11 | **Averia Sans Libre** | 55 / 100 | OFL-1.1 | [/fonts/averia-sans-libre/](/fonts/averia-sans-libre.md) |
| #12 | **Esteban** | 55 / 100 | OFL-1.1 | [/fonts/esteban/](/fonts/esteban.md) |

## Other Scripts With Similar Latin Letters

- **Stylish** (Kore): Similarity 58, licence OFL-1.1 - [/fonts/stylish/](/fonts/stylish.md)
- **RocknRoll One** (Jpan): Similarity 56, licence OFL-1.1 - [/fonts/rocknroll-one/](/fonts/rocknroll-one.md)
- **Yuji Syuku** (Jpan): Similarity 55, licence OFL-1.1 - [/fonts/yuji-syuku/](/fonts/yuji-syuku.md)

## Scoring Method

62 letters and digits (A-Z a-z 0-9) rendered at 160px cap height on a 32x32 grid with 3px gaussian blur, combined with edge-orientation texture (15% weight). Scores are normalized so that 0 represents an average pair of fonts across the 1571 compared fonts, and 100 represents identical letter shapes. Computed on 2026-10-22 using glyph-shape + edge-texture v2.

## Machine API

JSON representation available at [/api/fonts-like/underdog.json](/api/fonts-like/underdog.json).