As nouns the difference between half and halfmonth

is that half is one of two usually roughly equal parts into which anything may be divided, or considered as divided; — sometimes followed by of; as, a half of an apple while halfmonth is a period of time equal to half a month.

As an adjective half

is consisting of a moiety, or half (1/2, 50%).

As an adverb half

is in two equal parts or to an equal degree; in some part approximating a half; partially; imperfectly.

As a verb half

is to halve.

As a preposition half

is a half-hour after, thirty minutes after (used with the number of the hour).

As nouns the difference between month and halfmonth

is that month is a period into which a year is divided, historically based on the phases of the moon in the gregorian calendar there are twelve months: january, february, march, april, may, june, july, august, september, october, november and december while halfmonth is a period of time equal to half a month.

Etymologize is a alternative form of etymologise.

As verbs the difference between etymologise and etymologize

is that etymologise is standard spelling of from=non-Oxford British spelling|etymologize while etymologize is to find or provide etymology for a word, to find etymon for a given word.

As nouns the difference between book and spellbook

is that book is book while spellbook is a book of magic spells.

As nouns the difference between magic and spellbook

is that magic is the use of rituals or actions, especially based on supernatural or occult knowledge, to manipulate or obtain information about the natural world, especially when seen as falling outside the realm of religion; also the forces allegedly drawn on for such practices while spellbook is a book of magic spells.

As an adjective magic

is having supernatural talents, properties or qualities attributed to magic.

As a verb magic

is to produce, transform (something), (as if) by magic.

As a proper noun Magic

is the decrypted Japanese messages produced by US cryptographers in and prior to World War II.

As nouns the difference between needle and needlewoman

is that needle is a long, thin, sharp implement usually for piercing such as sewing, or knitting, acupuncture, tattooing, body piercing, medical injections etc while needlewoman is a woman who works with a needle; a female embroiderer, sewer, etc.

As a verb needle

is to pierce with a needle, especially for sewing or acupuncture.

As nouns the difference between female and needlewoman

is that female is one of the female (feminine) sex or gender while needlewoman is a woman who works with a needle; a female embroiderer, sewer, etc.

As an adjective female

is belonging to the sex which typically produces eggs, which in humans and most other mammals is typically the one which has xx chromosomes; belonging to the sex which has larger gametes (for species which have two sexes and for which this distinction can be made).

As nouns the difference between embroiderer and needlewoman

is that embroiderer is a person who embroiders while needlewoman is a woman who works with a needle; a female embroiderer, sewer, etc.

As nouns the difference between sewer and needlewoman

is that sewer is a pipe or system of pipes used to remove human waste and to provide drainage while needlewoman is a woman who works with a needle; a female embroiderer, sewer, etc.

As nouns the difference between time and halfmonth

is that time is while halfmonth is a period of time equal to half a month.