Planet Mercury is exactly that... A planet. It doesn't have a gender. In Roman Mythology, Mercury was male, in Sailor Moon, Sailor Mercury was female.
There is no compound noun 'sailman'.The noun for a person who sails or is a crew member on a ship is sailor.The noun 'sailor' is a common gender noun, a word for a male or a female.
All of them are girls. There are no Sailor boys.
The female gender for "negro" is "negra."
The female gender of landlord is landlady.
A "Wave"
The noun volunteer is a common gender noun, a word for a male or a female.
These are all the Baby Pokemon (as of November 2015), and the gender ratio for each:Azurill (Gender Ratio: Male 25% Female 75%)Bonsly (Gender Ratio: Male 50% Female 50%)Budew (Gender Ratio: Male 50% Female 50%)Chingling (Gender Ratio: Male 50% Female 50%)Cleffa (Gender Ratio: Male 25% Female 75%)Elekid (Gender Ratio: Male 75% Female 25%)Happiny (Gender Ratio: Male 0% Female 100%)Igglybuff (Gender Ratio: Male 25% Female 75%)Magby (Gender Ratio: Male 75% Female 25%)Mantyke (Gender Ratio: Male 50% Female 50%)Mime Jr. (Gender Ratio: Male 50% Female 50%)Munchlax (Gender Ratio: Male 87.5% Female 12.5%)Pichu (Gender Ratio: Male 50% Female 50%)Riolu (Gender Ratio: Male 87.5% Female 12.5%)Smoochum (Gender Ratio: Male 0% Female 100%)Togepi (Gender Ratio: Male 87.5% Female 12.5%)Tyrogue (Gender Ratio: Male 100% Female 0%)Wynaut (Gender Ratio: Male 50% Female 50%)
The opposite gender of Foster will depend on whether Foster is a male or female. If Foster is a male, the opposite gender would be female. If Foster is a female, the opposite gender would be male.
The gender of a heifer is female.
In many cultures, red is associated with masculinity, strength, and power, not specifically with female gender. Gender identity is diverse and not determined by color associations.
English uses gender specific nouns for male, female, common gender (words that can be a male or a female), and neuter nouns (words for things that have no gender). Some examples are:Male gender: father, male parent.Female gender: mother, female parent.Common gender: parent.Neuter gender: relationship.Male gender: bull, adult male bovine.Female gender: cow, adult female bovine.Common gender: cattle, oxen, bison, and buffalo; types of bovine.Neuter gender: hamburger.