diff --git a/src/HalfIntegers.jl b/src/HalfIntegers.jl
index 75c1bb3..ce50b29 100644
--- a/src/HalfIntegers.jl
+++ b/src/HalfIntegers.jl
@@ -23,7 +23,7 @@ export
     # Functions
     half,
     ishalfinteger,
-    ishalfoddinteger,
+    ishalfodd,
     onehalf,
     twice
 
@@ -563,27 +563,27 @@ ishalfinteger(::AbstractIrrational) = false
 ishalfinteger(::Missing) = missing
 
 """
-    ishalfoddinteger(x)
+    ishalfodd(x)
 
 Test whether `x` is numerically equal to some half-odd-integer.
 
 # Examples
 
 ```jldoctest
-julia> ishalfoddinteger(3.5)
+julia> ishalfodd(3.5)
 true
 
-julia> ishalfoddinteger(2)
+julia> ishalfodd(2)
 false
 
-julia> ishalfoddinteger(1//3)
+julia> ishalfodd(1//3)
 false
 ```
 """
-ishalfoddinteger(x::Number) = _isodd(twice(x))
-ishalfoddinteger(x::Rational) = denominator(x) == 2
-ishalfoddinteger(::Integer) = false
-ishalfoddinteger(::Missing) = missing
+ishalfodd(x::Number) = _isodd(twice(x))
+ishalfodd(x::Rational) = denominator(x) == 2
+ishalfodd(::Integer) = false
+ishalfodd(::Missing) = missing
 
 if VERSION ≥ v"1.7"
     _isodd(x) = isodd(x)
diff --git a/test/customtypes.jl b/test/customtypes.jl
index a163caa..27fa117 100644
--- a/test/customtypes.jl
+++ b/test/customtypes.jl
@@ -62,7 +62,7 @@ Base.convert(::Type{One}, x::Int) = x == 1 ? One() : error("can't convert $x to
     @testset "Properties" begin
         @test isfinite(MyHalfInt(2))
         @test ishalfinteger(MyHalfInt(3/2))
-        @test ishalfoddinteger(MyHalfInt(3/2))
+        @test ishalfodd(MyHalfInt(3/2))
         @test isinteger(MyHalfInt(3))
         @test !isinteger(MyHalfInt(3/2))
         @test iszero(MyHalfInt(0))
diff --git a/test/runtests.jl b/test/runtests.jl
index 445c50c..9280a98 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -374,22 +374,22 @@ end
         @test !ishalfinteger(im)
     end
 
-    @testset "ishalfoddinteger" begin
+    @testset "ishalfodd" begin
         for T in (halfinttypes..., halfuinttypes..., :BigHalfInt)
-            @eval @test !ishalfoddinteger($T(3))
-            @eval @test ishalfoddinteger($T(5/2))
-        end
-        @test !ishalfoddinteger(5)
-        @test !ishalfoddinteger(big(-5))
-        @test ishalfoddinteger(5//2)
-        @test ishalfoddinteger(-3//2)
-        @test !ishalfoddinteger(4//3)
-        @test !ishalfoddinteger(2.0)
-        @test ishalfoddinteger(-7.5)
-        @test !ishalfoddinteger(2.3)
-        @test !ishalfoddinteger(π)
-        @test !ishalfoddinteger(ℯ)
-        @test !ishalfoddinteger(im)
+            @eval @test !ishalfodd($T(3))
+            @eval @test ishalfodd($T(5/2))
+        end
+        @test !ishalfodd(5)
+        @test !ishalfodd(big(-5))
+        @test ishalfodd(5//2)
+        @test ishalfodd(-3//2)
+        @test !ishalfodd(4//3)
+        @test !ishalfodd(2.0)
+        @test ishalfodd(-7.5)
+        @test !ishalfodd(2.3)
+        @test !ishalfodd(π)
+        @test !ishalfodd(ℯ)
+        @test !ishalfodd(im)
     end
 
     @testset "isinteger" begin
@@ -1708,7 +1708,7 @@ end
     @test onehalf(missing) === onehalf(Missing) === missing
 
     @test ishalfinteger(missing) === missing
-    @test ishalfoddinteger(missing) === missing
+    @test ishalfodd(missing) === missing
 end
 
 include("ranges.jl")