Definitions:
VARIATION
1. a change or slight difference in condition, amount, or level, typically within certain limits.
“regional variations in house prices” Synonyms: difference, dissimilarity, disparity, inequality, contrast, discrepancy, imbalance, dissimilitude, differential, distinction
2. a different or distinct form or version of something.
“hurling is an Irish variation of hockey” Synonyms: variant, form, alternative, alternative form, other form, different form, derived form, development, adaptation, alteration, modification, revision, revised version
“he was wearing a variation of court dress”
SIMILARITY
1. the state of being almost the same, or a particular way in which something is almost the same:
“the similarity of symptoms makes them hard to diagnose”
2. a similar feature or aspect.
“the similarities between people of different nationalities” Synonyms: resemblance, likeness, sameness, similar nature, similitude, comparability, correspondence, comparison, analogy, parallel, parallelism, equivalence; interchangeability, closeness, nearness, affinity, homogeneity, agreement, indistinguishability, uniformity; community, kinship, relatedness; archaicsemblance
“the similarity between him and his daughter was startling”
After reading the booklet, I instantly decided that I wanted to go down 1 of 3 pathways.