"significant" - key terms from Wikipedia

architecturally significant
caused significant
caused significant	damage
clinically significant
historically significant
least significant
least significant	bit
least significant	byte
medically significant
most significant
most significant	bit
most significant	digit
no significant
no significant	impact
significant
significant	amount
significant	amounts
significant	bit
significant	bits
significant	buildings
significant	contribution
significant	contributions
significant	damage
significant	demand
significant	difference
significant	differences
significant	digit
significant	digits
significant	effect
significant	figures
significant	form
significant	impact
significant	increase
significant	nexus
significant	number
significant	numbers
significant	other
significant	others
significant	proportion
significant	quantities
significant	tornado
significant	tornadoes
significant	tropical cyclones
significant	wave height
statistically significant