Editorial style

Common Mistakes
Commonly misspelled words
Always refer to The Merriam-Webster Dictionary, the university's preferred dictionary, or The Associated Press Stylebook, which also defaults to Merriam-Webster. You'll need your CalNet ID to log into AP.
acknowledgment
adviser, advisory
African American (adj., n.)
archaeology
Asian American (adj., n.)
bioengineering
campuswide
canceled, canceling, cancellation
catalog, cataloged, cataloging
chairholder, professorship holder
check-in (n., adj.), check in (v.)
checkout (n., adj.), check out (v.)
cleanup (n., adj.), clean up (v.)
coauthor, cochair, coworker
coeducation
cooperate
coordinate
coursework
cross-cultural
cross-fertilize
cutback (n.), cut back (v.)
cutting edge (n.), cutting-edge (adj.)
decision-maker (-ing) (n., adj.)
dialogue
ex officio
fieldwork
filmmaking (-er)
follow up (v.), follow-up (n., adj.)
full-time (adj.)
fundraiser (-ing)
grade point average
groundbreaking
health care or healthcare
high tech (n.), high-tech (adj.)
home page
interdisciplinary
Internet
interrelationship
judgment
K–12 (en dash)
kickoff (n.), kick off (v.)
long-range, long-standing, long-term
longtime
millennium
modeling
multicultural, multidisciplinary, multimedia, multiyear
nationwide
No. 1
nonprofit, nonresident, nonstudent
note-taking
on-campus/off-campus (adj.), on campus/off campus (n.)
ongoing
online
part-time (adj.)
percent
policymaker (-ing) (n.)
postdoctoral/postdoc
postgame, pregame
preeminent
preprofessional, preregister, preschool
problem-solver (-ing) (n.)
PS, PPS
reenter (-ry), reexamine
RSVP
schoolchildren
sociocultural, socioeconomic
startup
statewide
student-athlete (n.)
tenfold
theater
trailblazer (-ing)
traveler (-ing)
underrepresented
underway (adj., adv.)
versus (use vs. in graphics, invitations)
workflow
workstation
work-study
worldwide
World Wide Web, the web
website, webmaster, webcast
X-ray (n.), x-ray (v.)
zip code
Commonly misused words
appraise, apprise Appraise: set a value on. Apprise: inform.
capital, capitol Capital: the seat of government (Sacramento), or assets that add to an organization's net worth (capital improvements). Capitol: the building in which the legislative body sits.
comprise, compose, constitute Comprise: to contain. (The university comprises 14 schools and colleges.) Do not use is comprised of. Compose: to form by putting together. (The committee is composed of 10 faculty and 10 staff members.) Constitute: to make up. (Women constitute 55 percent of undergraduate students.)
continual, continuous Continual: at regular intervals. (There were continual protests throughout the semester.) Continuous: without interruption. (Stanford is Berkeley's oldest continuous rival.)
dilemma A choice between alternatives that are equally undesirable. It is not a synonym for problem or quandary.
disinterested, uninterested Disinterested: no longer interested. (He became disinterested in business after two classes.) Uninterested: lack of interest. (She is uninterested in joining the board.)
enervate, energize Enervate: to weaken. Energize: to instill with vigor.
every day, everyday Every day: each day. (The professor assigned us to read one chapter every day.) Everyday: commonplace. (Brushing your teeth is an everyday occurrence.)
farther, further Farther: physical distance. (The farther side of campus.) Further: to a greater extent or degree. (The research techniques can be refined further.)
fewer, less Fewer: a smaller number. (Fewer students were accepted this year.) Less: matters of degree or value. (It took her less time to finish the test than she had expected.)
its, it’s Its: possessive pronoun. (Berkeley has its own traditions.) It’s: a contraction of it and is. (It’s time to go home.)
lectern, podium Lectern: a stand to support the speaker's notes. Podium: a platform on which the speaker stands.
lie, lay Lie (to rest, recline) does not take a direct object (lie asleep). Past tense is lay (I lay down); past perfect tense is have lain (I have lain down all day); and present participle is lying (I am lying down/was lying down). Lay takes a direct object (lay the book down); past tense is laid (I laid the book down); past perfect is have laid (I have laid the book down); and present participle is laying (I am laying/was laying the book down). To lie (to speak an untruth) takes the forms lied, have lied, and lying.
principal, principle Principal: most important (his principal demand), or a leading person (school principal). Principle: a basic belief or rule (principles of community).
segue Use segue to indicate a transition without interruption from one activity, topic, scene, or part to another. Segueway and segway are not in Merriam-Webster, although the latter is the name of a company.
that, which Use that for essential clauses that are important to the meaning, and without commas: (I remember the day that I was accepted into Cal.) Use which for nonessential clauses that are less necessary, and use commas: The team, which finished last a year ago, is in first place.