class (e.g. school);  grade;  rank;  kyū;  kyu;  junior rank in martial arts, go, shogi, etc.
 high class;  high grade;  high rank;  seniority
 (social) class;  rank;  grade
 advanced level;  high grade;  senior
 lower grade;  low class;  junior (officer)
 student in a higher grade;  upperclassman
 highest grade;  superlative degree
 largest class;  top category
 student in a lower grade;  underclassman
 promotion (school, military, etc.)
 elementary level;  beginner level
 upper class;  upper echelons of society;  the rich and powerful;  the elite
 one grade;  first-class;  primary
 advanced student;  advanced learner;  advanced practitioner;  experienced person
 class-A;  A class;  A grade
 low grade;  vulgar;  low class;  cheap;  low level
 grade;  class;  degree;  magnitude
 air of luxury;  high class feel
 class-B;  B class;  B grade;  second rate
 high grade;  special grade;  classy
 superior;  special class;  higher than A class;  extraordinary
 high-class restaurant;  high-end store
 decapitated head of an enemy
 second grade;  second class;  secondary
 high-end residential area;  affluent neighbourhood
 class president;  head class representative
 fancy restaurant;  expensive restaurant
 the same grade;  same class
 third grade;  third class;  tertiary
 superlative;  extraordinary;  mega;  superdreadnought (class of warships)
 catastrophe-level;  catastrophical
 proletariat;  lower classes
 class society;  class-based society;  hierarchical society
 class meeting;  classroom assembly
 upmarket residential district;  rich neighborhood
 intellectual class;  educated class;  intelligentsia
 elite bureaucrat;  high government official;  high-ranking bureaucrat;  senior government official
 middle class;  bourgeoisie
 superlative;  extraordinary;  mega;  superdreadnought (class of warships)
 intermediate student;  intermediate learner;  intermediate practitioner
 top notch;  first rate;  top-of-the-line;  leading
 class system;  caste system;  hierarchical system
 heavyweight (esp. boxing);  heavyweight division
 cheap everyday food that most people enjoy (e.g. ramen, curry);  eating cheap delicious food;  person who seeks out cheap delicious food
 class disruption (e.g. due to discipline problems);  classroom chaos
 B-movie;  B-picture;  B-film
 class struggle;  class warfare;  class conflict
 beginner;  novice;  neophyte
 senior executive staff;  upper management
 dreadnought class (of warship)
 open-weight (unclassified) division (category)
 temporary closing of classes
 middle class;  bourgeoisie
 registered architect with a first-class license
 special grade article;  superfine brand
 dreadnought class (of warship)
 quality newspaper;  broadsheet newspaper
 class A river;  specified waterways of special importance protected by the government
 superdreadnought (class of warships)
 geometric (progression, etc.)
 downgrading;  demotion;  degradation;  lowering of position (or rank, etc.)
 upper classes;  high society
 trauma inducing;  traumatizing;  extremely scary (of movies, etc.)
 dreadnought (class of warships)
 comparative;  comparative degree
 lightweight (e.g. boxing)
 salaried class;  working class
 classism;  class discrimination
 special class for handicapped children
 the propertied class;  bourgeoisie
 the fourth estate;  the proletariat
 registered architect with a second-class license
 homeroom teacher;  form teacher
 superlative;  extraordinary;  mega;  superdreadnought (class of warships)
 class activities;  homeroom activities
 first-degree murder (in US, etc. law)
 highest or finest quality sake
 the third estate;  the bourgeoisie
 instance (e.g. first instance, second instance, etc. in a legal proceeding)
 repeating a school grade;  grade retention;  grade repetition
 exploiting class;  exploiting classes
 one's former grade;  positive grade
 special class for handicapped children;  special needs class
 school for the handicapped;  special school
 welterweight class (boxing)
 class-B and class-C war criminals
 to keep (a student) back (to repeat a grade)
 classification (of particles, using fluid resistance)
 taking special classes (for handicapped students)
 Fantasy-class cruise ship
 Japanese linden (Tilia japonica)
 first-degree murder (in US, etc. law)
 ambassador-level conference
 special class for handicapped children
 prefecture-level city (of China)
 county-level city (of China)
 inferior goods (i.e. goods for which demand decreases when consumer's income increases)
 ranking system based on dan and kyū (in martial arts, go, shogi, etc.)
 ranking system based on dan and kyū (in martial arts, go, shogi, etc.)
 Beaufort scale (of wind force)
 super welterweight (boxing, etc.)
 second-degree murder (in US, etc. law)
 second-degree murder (in US, etc. law)
 special class for handicapped children;  special needs class
 Baptista de Andrade-class corvette
 Braunschweig-class corvette
 Álvaro de Bazán-class frigate
 Admiral Gorshkov-class frigate
 Sparviero-class patrol boat
 Tiger-class fast attack craft
 Orkan-class fast attack craft
 Jacob van Heemskerck-class frigate
 Gepard-class fast attack craft
 João Coutinho-class corvette
 Albatros-class fast attack craft
 Brandenburg-class frigate
 Helsinki-class missile boat
 Message in a Bottle (Star Trek: Voyager)
 Karel Doorman-class frigate
 Oliver Hazard Perry-class frigate
 De Zeven Provinciën-class frigate
 Descubierta-class corvette
 Fridtjof Nansen-class frigate
 Santa María-class frigate
 Iver Huitfeldt-class frigate
 Steregushchiy-class corvette
 Neustrashimyy class frigate
 Niels Juel-class corvette
 Lists of Star Trek spacecraft
 Vasco da Gama-class frigate
 F-22P Zulfiquar-class frigate
 Commandant Rivière-class frigate
 Hamina-class missile boat
 Brahmaputra-class frigate
 Admiral Grigorovich-class frigate
 Peder Skram-class frigate
 Abercrombie-class monitor
 Rear-Admiral Eustațiu Sebastian-class corvette
 Admiral Petre Bărbuneanu-class corvette
 Gregorio del Pilar-class frigate