popular  JLPT N2  noun  noun (generic)  geometry 

• focus, focal point
• focus (of attention, a discussion, etc.), point at issue, central point
• focus

popular  JLPT N4  noun  noun (generic)  geometry  counter 

• dot, spot, point, speck, mark
• mark (in an exam, etc.), grade, score, points
• point (in a game), score, goal, run
• point
• point, aspect, matter, detail, part, respect, way, viewpoint
• (punctuation) mark (e.g. comma, period, decimal point), dot
• "dot" stroke (in a Chinese character)
• counter for points, marks, goals, etc.
• counter for goods, items, articles of clothing, works of art, etc.

popular  JLPT N2  geometry  noun  noun (generic) 

• vertex, apex
• top (e.g. of a mountain), summit, peak
• top (of a profession, field, etc.), summit
• peak (of popularity, a boom, etc.), height (e.g. of prosperity), apex, zenith, climax

popular  search-only kanji form  geometry  noun  noun (generic) 

• base (of a polygon)
• bottom (of the social scale), lower levels, lower classes
• base (e.g. of support), foundation, basis

popular  noun  noun (generic)  noun taking the genitive case particle の  adjective (generic)  geometry 

• fan shape
• sector

geometry  noun  noun (generic) 

• right circular cone

geometry  noun  noun (generic) 

• monogon, henagon

geometry  noun  noun (generic) 

• right triangle, right-angled triangle

mathematics  noun  noun (generic)  geometry 

• base (logarithmic, exponential, number system), radix
• base (triangle, cone, cylinder, etc.)
• type, kind, extent, degree

noun  noun (generic)  mathematics  rare term  geometry 

• bowstring
• string (of a shamisen, etc.), stringed instrument
• chord
• hypotenuse