Basal refers to a foundation that forms a base while basil refers to an herb.
Barbarism is a crude or rude act or an incorrect expression of words. Reputable magazines would never tolerate such barbarisms. Barbarity refers to savage brutality or cruelty in actions. Accounts of the dictator’s barbarity shocked many countries.
A baluster is a short pillar that supports a handrail. The balusters on the deck were secured with small screws. A banister is the handrail on a staircase. We slid down the banister when we were children.
Baleful refers to something that menaces or foreshadows evil. The teacher’s baleful look helped silence the noisy students. Baneful refers to something harmful or destructive. The virus is having baneful effects on the farmer’s cattle.
Baited means to entice or lure something. We baited the mousetrap with peanut butter. Bated means to lessen the force or intensity of something. The team waited with bated breath to see who won the game.
Bad is an adjective describing nouns or pronouns. Our family has a bad feeling about the whole thing. John felt bad about missing Karen’s surprise party. Badly is an adverb. Despite few rehearsals, the band is not playing badly.
Axiom is an established truth, rule of law, or principle. This axiom treats crime as a wrong done to another person not breaking the law. Axion is a hypothetical particle of matter with no charge or spin and small mass. One can identify this energy density as a bunch of axion particles found in galaxies.