occasional

noun 0.712

event

noun 0.690

opportunity

noun 0.687

occurrence

noun 0.684

incident

noun 0.643

circumstance

noun 0.616

occurrent

noun 0.613

off chance

noun 0.608

chance

noun 0.594

occurring

noun 0.577

exception

noun 0.573

venue

noun 0.571

condition

noun 0.569

context

noun 0.566

even

noun 0.565

situation

noun 0.561

conjuncture

noun 0.560

celebration

noun 0.559

golden opportunity

noun 0.559

one-off

noun 0.558

occupation

noun 0.555

eventuality

noun 0.554

coincidence

noun 0.553

photo opportunity

noun 0.550

accident

noun 0.549

happening

noun 0.549

excuse

noun 0.548

rare

noun 0.547

fortuity

noun 0.543

excursion

noun 0.541

exceptional

noun 0.540

special case

noun 0.539

odd

noun 0.538

tion

noun 0.535

cause

noun 0.534

even function

noun 0.532

occasional table

noun 0.532

instance

noun 0.530

holiday

noun 0.529

unusual

noun 0.529

onus

noun 0.527

episode

noun 0.526

moment

noun 0.525

opening

noun 0.525

ceremony

noun 0.525

happenstance

noun 0.524

common

noun 0.524

operation

noun 0.523

cation

noun 0.522

scenario

noun 0.521

unction

noun 0.519

item

noun 0.519

usage

noun 0.519

observation

noun 0.518

rendezvous

noun 0.517

auction

noun 0.517

competition

noun 0.515

election

noun 0.515

unique

noun 0.515

convention

noun 0.514

conditional

noun 0.513

odd function

noun 0.513

conference

noun 0.513

festivity

noun 0.512

invitation

noun 0.512

opportunity cost

noun 0.512

nonevent

noun 0.511

evening

noun 0.511

co-occurrence

noun 0.510

ovation

noun 0.509

oddity

noun 0.509

good time

noun 0.509

celebrating

noun 0.508

causer

noun 0.508

festival

noun 0.508

convocation

noun 0.507

everyday

noun 0.507

coincident

noun 0.507

extraordinary

noun 0.507

party

noun 0.507

date

noun 0.506

nonce

noun 0.506

special

noun 0.506

example

noun 0.506

day

noun 0.505

rarity

noun 0.505

ounce

noun 0.504

acara

noun 0.503

probability

noun 0.503

effect

noun 0.503

option

noun 0.503

appointment

noun 0.502

open

noun 0.502

avail

noun 0.502

lection

noun 0.501

choice

noun 0.501

contest

noun 0.501

reason

noun 0.501

issue

noun 0.500