歯音前進
同音になる語

| /f, v/ | /θ, ð/ | IPA | Notes |
| --- | --- | --- | --- |
| barf | bath | ˈbɑːf | Non-rhotic accents with trap-bath split. |
| deaf | death | ˈdɛf |  |
| duff | doth | ˈdʌf |  |
| elf | health | ˈɛlf | With H-dropping. |
| even | heathen | ˈiːvən | With H-dropping. |
| ever | heather | ˈɛvə(r) | With H-dropping. |
| fain | thane | ˈfeɪn |  |
| fain | thegn | ˈfeɪn |  |
| fane | thane | ˈfeɪn |  |
| fane | thegn | ˈfeɪn |  |
| feign | thane | ˈfeɪn |  |
| feign | thegn | ˈfeɪn |  |
| fie | thigh | ˈfaɪ |  |
| fief | thief | ˈfiːf |  |
| fin | thin | ˈfɪn |  |
| fink | think | ˈfɪŋk |  |
| Finn | thin | ˈfɪn |  |
| first | thirst | ˈfɜː(r)st |  |
| fissile | thistle | ˈfɪsəl | Some accents pronounce fissile as /ˈfɪsaɪl/. |
| for | thaw | ˈfɔː(r) | Non-rhotic accents. |
| for | Thor | ˈfɔː(r) |  |
| ford | thawed | ˈfɔːd | Non-rhotic accents with horse-hoarse merger. |
| fore | thaw | ˈfɔː | Non-rhotic accents with horse-hoarse merger. |
| fore | Thor | ˈfɔː(r) | With horse-hoarse merger. |
| fort | thought | [ˈfɔːt] | Non-rhotic accents with horse-hoarse merger. |
| fought | thought | [ˈfɔːt] |  |
| four | thaw | [ˈfɔː(r)] | Non-rhotic accents with horse-hoarse merger. |
| four | Thor | [ˈfɔː(r)] | With horse-hoarse merger. |
| Fred | thread | [ˈfrɛd] |  |
| free | three | [ˈfriː] |  |
| frees | threes | [ˈfriːz] |  |
| freeze | threes | [ˈfriːz] |  |
| fresh | thresh | [ˈfrɛʃ] |  |
| fret | threat | [ˈfrɛt] |  |
| frieze | threes | [ˈfriːz] |  |
| fro | throe | [ˈfrəʊ] |  |
| fro | throw | [ˈfrəʊ] |  |
| froze | throes | [ˈfrəʊz] |  |
| froze | throws | [ˈfrəʊz] |  |
| funder | thunder | [ˈfʌndə(r)] |  |
| furred | third | [ˈfɜː(r)d] |  |
| furrow | thorough | [ˈfʌrəʊ] | Some accents pronounce thorough as /ˈfʌrə/, although some also pronounce furrow as /ˈfʌrə/. |
| fervour; fervor | further | [ˈfɜː(r)və(r)] |  |
| golf | goth | [ˈɡɒf] | Some accents pronounce golf as /ˈɡɒlf/. |
| lave | lathe | [ˈleɪv] |  |
| lever | leather | [ˈlɛvə(r)] | Some accents pronounce lever as /ˈliːvə(r)/. |
| live | lithe | [ˈlaɪv] |  |
| loaf | loath | [ˈləʊf] |  |
| loaves | loathes | [ˈləʊvz] |  |
| miff | myth | [ˈmɪf] |  |
| never | nether | [ˈnɛvə(r)] |  |
| oaf | oath | [ˈəʊf] |  |
| phi | thigh | [ˈfaɪ] |  |
| Ralph | wraith | [ˈreɪf] | Some accents pronounce Ralph as /ˈrælf/, /ˈrɑːlf/ or /ˈrɑːf/ |
| Ralph | wrath | [ˈrɑːf] | Some accents pronounce Ralph as /ˈrælf/, /ˈrɑːlf/ or /ˈreɪf/.  Some accents pronounce wrath as /ˈræf/ or /ˈrɔːf/. |
| reave | wreathe | [ˈriːv] |  |
| reaves | wreathes | [ˈriːvz] |  |
| reaves | wreaths | [ˈriːvz] |  |
| reef | wreath | [ˈriːf] |  |
| reeve | wreathe | [ˈriːv] |  |
| reeves | wreathes | [ˈriːvz] |  |
| reeves | wreaths | [ˈriːvz] |  |
| rive | writhe | [ˈraɪv] |  |
| roof | ruth | [ˈruːf] | Some accents pronounce roof as /ˈrʊf/. |
| sheave | sheathe | [ˈʃiːv] | Some accents pronounce sheave as /ˈʃɪv/. |
| sheaves | sheathes | [ˈʃiːvz] | Some accents pronounce sheaves as /ˈʃɪvz/. |
| sheaves | sheaths | [ˈʃiːvz] | Some accents pronounce sheaves as /ˈʃɪvz/. |
| sliver | slither | [ˈslɪvə(r)] |  |
| whiff | with | [ˈwɪf] | With wine-whine merger.  Some accents pronounce with as /ˈwɪv/. |
俳優のサイモン・ペグがNorf Londonと書かれたTシャツを着ている写真。North Londonの歯音前進形である。