free

noun 0.609

helpline

noun 0.594

telephone

noun 0.592

phone

noun 0.591

telephone call

noun 0.585

phone call

noun 0.585

foon

noun 0.584

telephone number

noun 0.582

phoneline

noun 0.580

phone number

noun 0.574

hotline

noun 0.570

phon

noun 0.568

900 number

noun 0.565

800 number

noun 0.564

fone

noun 0.560

cordless phone

noun 0.557

freebie

noun 0.556

freeware

noun 0.546

toll call

noun 0.542

freesheet

noun 0.539

freer

noun 0.537

softphone

noun 0.536

hands-free

noun 0.535

white telephone

noun 0.534

call number

noun 0.534

1-800

noun 0.533

handsfree

noun 0.532

photophone

noun 0.531

answerphone

noun 0.526

free lunch

noun 0.522

mobile number

noun 0.519

free and easy

noun 0.519

freeness

noun 0.519

trunk call

noun 0.518

freeway

noun 0.515

videophone

noun 0.514

telephonist

noun 0.514

payphone

noun 0.513

cold call

noun 0.512

phone box

noun 0.511

free house

noun 0.508

mobile phone

noun 0.507

landline

noun 0.507

speakerphone

noun 0.507