form vs variety

form

noun
  • An infraspecific rank. 

  • A specific way of performing a movement. 

  • A quantic. 

  • A class or year of school pupils (often preceded by an ordinal number to specify the year, as in sixth form). 

  • Constitution; mode of construction, organization, etc.; system. 

  • Show without substance; empty, outside appearance; vain, trivial, or conventional ceremony; conventionality; formality. 

  • A specimen document to be copied or imitated. 

  • A grouping of words which maintain grammatical context in different usages; the particular shape or structure of a word or part of speech. 

  • A blank document or template to be filled in by the user. 

  • Level of performance. 

  • Regularity, beauty, or elegance. 

  • The combination of planes included under a general crystallographic symbol. It is not necessarily a closed solid. 

  • A window or dialogue box. 

  • Characteristics not involving atomic components. 

  • A thing that gives shape to other things as in a mold. 

  • Established method of expression or practice; fixed way of proceeding; conventional or stated scheme; formula. 

  • The boundary line of a material object. In painting, more generally, the human body. 

  • A criminal record; loosely, past history (in a given area). 

  • The inherent nature of an object; that which the mind itself contributes as the condition of knowing; that in which the essence of a thing consists. 

  • An order of doing things, as in religious ritual. 

  • The shape or visible structure of a thing or person. 

  • The den or home of a hare. 

verb
  • To provide (a hare) with a form. 

  • To assume (a certain shape or visible structure). 

  • To mould or model by instruction or discipline. 

  • To constitute, to compose, to make up. 

  • To put together or bring into being; assemble. 

  • To treat (plates) to prepare them for introduction into a storage battery, causing one plate to be composed more or less of spongy lead, and the other of lead peroxide. This was formerly done by repeated slow alternations of the charging current, but later the plates or grids were coated or filled, one with a paste of red lead and the other with litharge, introduced into the cell, and formed by a direct charging current. 

  • To give (a shape or visible structure) to a thing or person. 

  • To create (a word) by inflection or derivation. 

  • To take shape. 

variety

noun
  • A rank in a taxonomic classification below species and (if present) subspecies, and above form; hence, an organism of that rank. 

  • The total number of distinct states of a system; also, the logarithm to the base 2 of the total number of distinct states of a system. 

  • An animal or plant (or a group of such animals or plants) with characteristics causing it to differ from other animals or plants of the same species; a cultivar. 

  • In universal algebra: an equational class; the class of all algebraic structures of a given signature, satisfying a given set of identities. 

  • A specific form of a language, neutral to whether that form is an accent, dialect, register, etc., and to its prestige level; an isolect or lect. 

  • A collection or number of different things. 

  • The kind of entertainment given in variety performances or shows; also, the production of, or performance in, variety performances or shows. 

  • A deviation or difference. 

  • A stamp, or set of stamps, which has one or more characteristics (such as colour, paper, etc.) differing from other stamps in the same issue, especially if such differences are intentionally introduced. 

  • The quality of being varied; diversity. 

  • A specific variation of something. 

How often have the words form and variety occurred in a corpus of books? (source: Google Ngram Viewer )