Razor Wind is learned by 22 species by level, 17 by machine and 14 by egg

Effect, in PokéAPI's words

“Requires a turn to charge before attacking.”

Who learns it

48 species in all, 8 of 21 games shown

Let's Go Pikachu and Let's Go Eevee: 4 species

Species	Method	Level
Pidgey	Level up	29
Scyther	Level up	32
Pidgeotto	Level up	45
Pidgeot	Level up	53

Ultra Sun and Ultra Moon: 30 species

Species	Method	Level
Heliolisk	Level up	1
Yveltal	Level up	1
Nuzleaf	Level up	20
Helioptile	Level up	22
Fletchling	Level up	25
Fletchinder	Level up	27
Talonflame	Level up	27
Noibat	Level up	31
Noivern	Level up	31
Pidove	Level up	32
Scyther	Level up, Egg	33
Scizor	Level up	33
Buizel	Level up	35
Tranquill	Level up	36
Unfezant	Level up	38
Floatzel	Level up	41
Absol	Level up	49
Type: Null	Level up	70
Silvally	Level up	70
Spearow	Egg
Horsea	Egg
Girafarig	Egg
Gligar	Egg
Treecko	Egg
Seedot	Egg
Zangoose	Egg
Tropius	Egg
Sewaddle	Egg
Axew	Egg
Drampa	Egg

Sun and Moon: 30 species

Species	Method	Level
Heliolisk	Level up	1
Yveltal	Level up	1
Nuzleaf	Level up	20
Helioptile	Level up	22
Fletchling	Level up	25
Fletchinder	Level up	27
Talonflame	Level up	27
Noibat	Level up	31
Noivern	Level up	31
Pidove	Level up	32
Scyther	Level up, Egg	33
Scizor	Level up	33
Buizel	Level up	35
Tranquill	Level up	36
Unfezant	Level up	38
Floatzel	Level up	41
Absol	Level up	49
Type: Null	Level up	70
Silvally	Level up	70
Spearow	Egg
Horsea	Egg
Girafarig	Egg
Gligar	Egg
Treecko	Egg
Seedot	Egg
Zangoose	Egg
Tropius	Egg
Sewaddle	Egg
Axew	Egg
Drampa	Egg

Omega Ruby and Alpha Sapphire: 27 species

Species	Method	Level
Heliolisk	Level up	1
Yveltal	Level up	1
Nuzleaf	Level up	20
Helioptile	Level up	22
Fletchling	Level up	25
Fletchinder	Level up	27
Talonflame	Level up	27
Noibat	Level up	31
Noivern	Level up	31
Pidove	Level up	32
Scyther	Level up, Egg	33
Scizor	Level up	33
Buizel	Level up	35
Tranquill	Level up	36
Unfezant	Level up	38
Floatzel	Level up	41
Absol	Level up	49
Spearow	Egg
Horsea	Egg
Girafarig	Egg
Gligar	Egg
Treecko	Egg
Seedot	Egg
Zangoose	Egg
Tropius	Egg
Sewaddle	Egg
Axew	Egg

X and Y: 27 species

Species	Method	Level
Absol	Level up	1, 57
Heliolisk	Level up	1
Yveltal	Level up	1
Helioptile	Level up	22
Fletchling	Level up	25
Fletchinder	Level up	27
Talonflame	Level up	27
Noibat	Level up	31
Noivern	Level up	31
Pidove	Level up	32
Scyther	Level up, Egg	33
Scizor	Level up	33
Buizel	Level up	35
Tranquill	Level up	36
Nuzleaf	Level up	37
Unfezant	Level up	38
Floatzel	Level up	41
Spearow	Egg
Horsea	Egg
Girafarig	Egg
Gligar	Egg
Treecko	Egg
Seedot	Egg
Zangoose	Egg
Tropius	Egg
Sewaddle	Egg
Axew	Egg

Black 2 and White 2: 19 species

Species	Method	Level
Pidove	Level up	32
Scyther	Level up, Egg	33
Scizor	Level up	33
Buizel	Level up	35
Tranquill	Level up	36
Nuzleaf	Level up	37
Unfezant	Level up	38
Floatzel	Level up	41
Absol	Level up	57
Spearow	Egg
Horsea	Egg
Girafarig	Egg
Gligar	Egg
Treecko	Egg
Seedot	Egg
Zangoose	Egg
Tropius	Egg
Sewaddle	Egg
Axew	Egg

Black and White: 19 species

Species	Method	Level
Absol	Level up	17
Pidove	Level up	32
Scyther	Level up, Egg	33
Scizor	Level up	33
Tranquill	Level up	36
Nuzleaf	Level up	37
Unfezant	Level up	38
Buizel	Level up	45
Floatzel	Level up	50
Spearow	Egg
Horsea	Egg
Girafarig	Egg
Gligar	Egg
Treecko	Egg
Seedot	Egg
Zangoose	Egg
Tropius	Egg
Sewaddle	Egg
Axew	Egg

HeartGold and SoulSilver: 13 species

Species	Method	Level
Absol	Level up	17
Scyther	Level up, Egg	33
Scizor	Level up	33
Nuzleaf	Level up	37
Buizel	Level up	45
Floatzel	Level up	50
Horsea	Egg
Girafarig	Egg
Gligar	Egg
Treecko	Egg
Seedot	Egg
Zangoose	Egg
Tropius	Egg

Changed over time

One change since Generation I

1. Through Gen IIAccuracy 75%100% from Ruby and Sapphire, Generation III