at home—(predic.) very competent in smth. (with the implication that it makes a person feel confident and relaxed):
At least vs Leastways
Leastways is awkward. Use at least.
Base vs Found vs Ground vs Bottom vs Stay vs Rest
Base, found, ground, bottom, stay, rest are comparable when they mean to supply or to serve as a basis.
Astronaut vs Cosmonaut
An astronaut is an American who travels in space, and a cosmonaut is a Russian who travels in space.
At high pressure vs Under high pressure
at high pressure—1. (of matter) when strongly pressed:
Astrology vs Astronomy
Astrology is the study of the positions and aspects of celestial bodies presuming they can influence earthly occurrences and human affairs.
Base vs Basis vs Foundation vs Ground vs Groundwork
Base, basis, foundation, ground, groundwork are comparable when meaning something on which another thing is reared or built or by which it is supported or fixed in place.
At hazard vs On the hazard
on the hazard— = at hazard 2:
Bark vs Bay vs Howl vs Growl vs Snarl vs Yelp vs Yap
Bark, bay, howl, growl, snarl, yelp, yap mean to make the sound of or a sound suggestive of a dog.
Asteroid vs Meteor vs Meteorite vs Meteoroid
An asteroid is a celestial body of rock and metal that moves around the sun.
At hand vs In hand
at hand—(also: on hand) within easy reach; close by:
Assure vs Ensure vs Insure
Assure means to make confident or promise something.