| Grade 4 | |||||||||
| pair | decimal | bottom | trouble | oxygen | |||||
| include | forest | monkey | gentle | supply | |||||
| century | window | iron | woman | demand | |||||
| decade | language | single | captain | imagine | |||||
| millennium | summer | double | practice | imaginary | |||||
| million | prove | triple | difficult | provide | |||||
| consider | alone | melody | doctor | dangerous | |||||
| beach | exercise | harmony | nurse | fruit | |||||
| continent | separate | office | medicine | vegetable | |||||
| copy | catch | receive | cough | restaurant | |||||
| phrase | board | mouth | protect | soldier | |||||
| paragraph | bored | tongue | whose | process | |||||
| silent | enjoy | symbol | character | operation | |||||
| roll | winter | exact | location | guess | |||||
| temperature | written | soft | caught | necessary | |||||
| finger | wild | bear | exclaim | neighbor | |||||
| degree | instrument | finish | exclamation | sleigh | |||||
| value | kept | autumn | quotation | compare | |||||
| frighten | edge | answer | comma | contrast | |||||
| excitement | fudge | question | period | poem | |||||
| natural | sign | building | capital | famous | |||||
| view | visit | carefully | radio | dollar | |||||
| sense | broken | scientist | stereo | ||||||
| syllable | middle | understand | atom | ||||||
| perhaps | moment | equation | human | ||||||
| suddenly | scale | government | history | ||||||
| count | observe | cannot | effect | ||||||
| reason | child | built | electricity | ||||||
| length | straight | clothes | cause | ||||||
| width | vowel | strange | noise | ||||||
| height | consonant | describe | chance | ||||||
| representative | nation | village | property | ||||||
| subject | dictionary | solve | column | ||||||
| region | military | metal | molecule | ||||||
| energy | organ | whether | wrong | ||||||
| probably | section | either | wrist | ||||||
| brother | surprise | except | wrinkle | ||||||
| sister | tiny | accept | require | ||||||
| cousin | climb | suggestion | broad | ||||||
| aunt | comb | blood | prepare | ||||||
| uncle | stream | cost | plural | ||||||
| cell | stretch | touch | singular | ||||||
| believe | design | collection | sugar | ||||||
| fraction | experiment | control | anger | ||||||